Home / 72,060,905.40-108,124,296.35-39,222,280.28

Finding the Fourth Proportional to 72,060,905.40, 108,124,296.35 and 39,222,280.28

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Solution

The fourth proportional to 72,060,905.40, 108,124,296.35 and 39,222,280.28 is: 58,851,348.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,060,905.40 : 108,124,296.35 = 39,222,280.28 : x
  2. Step 2: Convert to fraction form
    72,060,905.40/108,124,296.35 = 39,222,280.28/x
  3. Step 3: Cross multiply
    72,060,905.40x = 108,124,296.35 × 39,222,280.28
  4. Step 4: Simplify right side
    72,060,905.40x = 4,240,881,455,780,748
  5. Step 5: Solve for x
    x = 4,240,881,455,780,748/72,060,905.40
  6. Step 6: Final answer
    x = 58,851,348.48

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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.