Home / 102,118,829.64-140,904,711.30-60,869,560.20

Finding the Fourth Proportional to 102,118,829.64, 140,904,711.30 and 60,869,560.20

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Solution

The fourth proportional to 102,118,829.64, 140,904,711.30 and 60,869,560.20 is: 83,988,504.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,118,829.64 : 140,904,711.30 = 60,869,560.20 : x
  2. Step 2: Convert to fraction form
    102,118,829.64/140,904,711.30 = 60,869,560.20/x
  3. Step 3: Cross multiply
    102,118,829.64x = 140,904,711.30 × 60,869,560.20
  4. Step 4: Simplify right side
    102,118,829.64x = 8,576,807,807,431,428
  5. Step 5: Solve for x
    x = 8,576,807,807,431,428/102,118,829.64
  6. Step 6: Final answer
    x = 83,988,504.74

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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.