Home / 198,503,732.51-297,692,427.36-65,531,829.92

Finding the Fourth Proportional to 198,503,732.51, 297,692,427.36 and 65,531,829.92

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Solution

The fourth proportional to 198,503,732.51, 297,692,427.36 and 65,531,829.92 is: 98,276,890.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,503,732.51 : 297,692,427.36 = 65,531,829.92 : x
  2. Step 2: Convert to fraction form
    198,503,732.51/297,692,427.36 = 65,531,829.92/x
  3. Step 3: Cross multiply
    198,503,732.51x = 297,692,427.36 × 65,531,829.92
  4. Step 4: Simplify right side
    198,503,732.51x = 19,508,329,519,730,740
  5. Step 5: Solve for x
    x = 19,508,329,519,730,740/198,503,732.51
  6. Step 6: Final answer
    x = 98,276,890.18

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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.