Home / 95,136,001.40-142,704,002.10-66,438,187.40

Finding the Fourth Proportional to 95,136,001.40, 142,704,002.10 and 66,438,187.40

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Solution

The fourth proportional to 95,136,001.40, 142,704,002.10 and 66,438,187.40 is: 99,657,281.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,136,001.40 : 142,704,002.10 = 66,438,187.40 : x
  2. Step 2: Convert to fraction form
    95,136,001.40/142,704,002.10 = 66,438,187.40/x
  3. Step 3: Cross multiply
    95,136,001.40x = 142,704,002.10 × 66,438,187.40
  4. Step 4: Simplify right side
    95,136,001.40x = 9,480,995,234,249,792
  5. Step 5: Solve for x
    x = 9,480,995,234,249,792/95,136,001.40
  6. Step 6: Final answer
    x = 99,657,281.10

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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.