Home / 95,143,121.40-142,714,682.10-66,445,307.40

Finding the Fourth Proportional to 95,143,121.40, 142,714,682.10 and 66,445,307.40

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Solution

The fourth proportional to 95,143,121.40, 142,714,682.10 and 66,445,307.40 is: 99,667,961.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,143,121.40 : 142,714,682.10 = 66,445,307.40 : x
  2. Step 2: Convert to fraction form
    95,143,121.40/142,714,682.10 = 66,445,307.40/x
  3. Step 3: Cross multiply
    95,143,121.40x = 142,714,682.10 × 66,445,307.40
  4. Step 4: Simplify right side
    95,143,121.40x = 9,482,720,922,627,776
  5. Step 5: Solve for x
    x = 9,482,720,922,627,776/95,143,121.40
  6. Step 6: Final answer
    x = 99,667,961.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.