Home / 206,700,838.86-310,040,951.67-77,298,935.70

Finding the Fourth Proportional to 206,700,838.86, 310,040,951.67 and 77,298,935.70

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Solution

The fourth proportional to 206,700,838.86, 310,040,951.67 and 77,298,935.70 is: 115,944,549.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,700,838.86 : 310,040,951.67 = 77,298,935.70 : x
  2. Step 2: Convert to fraction form
    206,700,838.86/310,040,951.67 = 77,298,935.70/x
  3. Step 3: Cross multiply
    206,700,838.86x = 310,040,951.67 × 77,298,935.70
  4. Step 4: Simplify right side
    206,700,838.86x = 23,965,835,587,506,140
  5. Step 5: Solve for x
    x = 23,965,835,587,506,140/206,700,838.86
  6. Step 6: Final answer
    x = 115,944,549.23

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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.