Home / 85,664,640,139.48-118,218,274,628.10-47,087,771,821.24

Finding the Fourth Proportional to 85,664,640,139.48, 118,218,274,628.10 and 47,087,771,821.24

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Solution

The fourth proportional to 85,664,640,139.48, 118,218,274,628.10 and 47,087,771,821.24 is: 64,981,713,945.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,664,640,139.48 : 118,218,274,628.10 = 47,087,771,821.24 : x
  2. Step 2: Convert to fraction form
    85,664,640,139.48/118,218,274,628.10 = 47,087,771,821.24/x
  3. Step 3: Cross multiply
    85,664,640,139.48x = 118,218,274,628.10 × 47,087,771,821.24
  4. Step 4: Simplify right side
    85,664,640,139.48x = 5,566,635,140,788,658,372,608
  5. Step 5: Solve for x
    x = 5,566,635,140,788,658,372,608/85,664,640,139.48
  6. Step 6: Final answer
    x = 64,981,713,945.51

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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.