Home / 124,836,989.16-187,329,459.78-69,551,098.68

Finding the Fourth Proportional to 124,836,989.16, 187,329,459.78 and 69,551,098.68

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Solution

The fourth proportional to 124,836,989.16, 187,329,459.78 and 69,551,098.68 is: 104,367,862.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,836,989.16 : 187,329,459.78 = 69,551,098.68 : x
  2. Step 2: Convert to fraction form
    124,836,989.16/187,329,459.78 = 69,551,098.68/x
  3. Step 3: Cross multiply
    124,836,989.16x = 187,329,459.78 × 69,551,098.68
  4. Step 4: Simplify right side
    124,836,989.16x = 13,028,969,742,829,872
  5. Step 5: Solve for x
    x = 13,028,969,742,829,872/124,836,989.16
  6. Step 6: Final answer
    x = 104,367,862.69

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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.