Home / 198,503,731.70-297,692,426.17-65,531,829.12

Finding the Fourth Proportional to 198,503,731.70, 297,692,426.17 and 65,531,829.12

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Solution

The fourth proportional to 198,503,731.70, 297,692,426.17 and 65,531,829.12 is: 98,276,888.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,503,731.70 : 297,692,426.17 = 65,531,829.12 : x
  2. Step 2: Convert to fraction form
    198,503,731.70/297,692,426.17 = 65,531,829.12/x
  3. Step 3: Cross multiply
    198,503,731.70x = 297,692,426.17 × 65,531,829.12
  4. Step 4: Simplify right side
    198,503,731.70x = 19,508,329,202,671,060
  5. Step 5: Solve for x
    x = 19,508,329,202,671,060/198,503,731.70
  6. Step 6: Final answer
    x = 98,276,888.98

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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.