Home / 131,654,214-197,338,532.08-65,916,813.72

Finding the Fourth Proportional to 131,654,214, 197,338,532.08 and 65,916,813.72

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Solution

The fourth proportional to 131,654,214, 197,338,532.08 and 65,916,813.72 is: 98,803,728.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,654,214 : 197,338,532.08 = 65,916,813.72 : x
  2. Step 2: Convert to fraction form
    131,654,214/197,338,532.08 = 65,916,813.72/x
  3. Step 3: Cross multiply
    131,654,214x = 197,338,532.08 × 65,916,813.72
  4. Step 4: Simplify right side
    131,654,214x = 13,007,927,258,895,604
  5. Step 5: Solve for x
    x = 13,007,927,258,895,604/131,654,214
  6. Step 6: Final answer
    x = 98,803,728.83

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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.