Home / 85,664,640,138.48-118,218,274,626.72-47,087,771,820.24

Finding the Fourth Proportional to 85,664,640,138.48, 118,218,274,626.72 and 47,087,771,820.24

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Solution

The fourth proportional to 85,664,640,138.48, 118,218,274,626.72 and 47,087,771,820.24 is: 64,981,713,944.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,664,640,138.48 : 118,218,274,626.72 = 47,087,771,820.24 : x
  2. Step 2: Convert to fraction form
    85,664,640,138.48/118,218,274,626.72 = 47,087,771,820.24/x
  3. Step 3: Cross multiply
    85,664,640,138.48x = 118,218,274,626.72 × 47,087,771,820.24
  4. Step 4: Simplify right side
    85,664,640,138.48x = 5,566,635,140,605,459,562,496
  5. Step 5: Solve for x
    x = 5,566,635,140,605,459,562,496/85,664,640,138.48
  6. Step 6: Final answer
    x = 64,981,713,944.13

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.