Home / 55,566,220.78-76,681,384.68-31,119,934.78

Finding the Fourth Proportional to 55,566,220.78, 76,681,384.68 and 31,119,934.78

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Solution

The fourth proportional to 55,566,220.78, 76,681,384.68 and 31,119,934.78 is: 42,945,510.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,566,220.78 : 76,681,384.68 = 31,119,934.78 : x
  2. Step 2: Convert to fraction form
    55,566,220.78/76,681,384.68 = 31,119,934.78/x
  3. Step 3: Cross multiply
    55,566,220.78x = 76,681,384.68 × 31,119,934.78
  4. Step 4: Simplify right side
    55,566,220.78x = 2,386,319,690,177,543
  5. Step 5: Solve for x
    x = 2,386,319,690,177,543/55,566,220.78
  6. Step 6: Final answer
    x = 42,945,510.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.