Home / 122,459,966.40-183,438,007.20-61,909,809.60

Finding the Fourth Proportional to 122,459,966.40, 183,438,007.20 and 61,909,809.60

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Solution

The fourth proportional to 122,459,966.40, 183,438,007.20 and 61,909,809.60 is: 92,737,344.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,459,966.40 : 183,438,007.20 = 61,909,809.60 : x
  2. Step 2: Convert to fraction form
    122,459,966.40/183,438,007.20 = 61,909,809.60/x
  3. Step 3: Cross multiply
    122,459,966.40x = 183,438,007.20 × 61,909,809.60
  4. Step 4: Simplify right side
    122,459,966.40x = 11,356,612,099,155,428
  5. Step 5: Solve for x
    x = 11,356,612,099,155,428/122,459,966.40
  6. Step 6: Final answer
    x = 92,737,344.56

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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.