Home / 64,290,129.80-96,435,194.70-38,759,966.60

Finding the Fourth Proportional to 64,290,129.80, 96,435,194.70 and 38,759,966.60

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Solution

The fourth proportional to 64,290,129.80, 96,435,194.70 and 38,759,966.60 is: 58,139,949.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,290,129.80 : 96,435,194.70 = 38,759,966.60 : x
  2. Step 2: Convert to fraction form
    64,290,129.80/96,435,194.70 = 38,759,966.60/x
  3. Step 3: Cross multiply
    64,290,129.80x = 96,435,194.70 × 38,759,966.60
  4. Step 4: Simplify right side
    64,290,129.80x = 3,737,824,925,636,497.50
  5. Step 5: Solve for x
    x = 3,737,824,925,636,497.50/64,290,129.80
  6. Step 6: Final answer
    x = 58,139,949.90

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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.