Home / 55,566,221.28-76,681,385.37-31,119,935.28

Finding the Fourth Proportional to 55,566,221.28, 76,681,385.37 and 31,119,935.28

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Solution

The fourth proportional to 55,566,221.28, 76,681,385.37 and 31,119,935.28 is: 42,945,510.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,566,221.28 : 76,681,385.37 = 31,119,935.28 : x
  2. Step 2: Convert to fraction form
    55,566,221.28/76,681,385.37 = 31,119,935.28/x
  3. Step 3: Cross multiply
    55,566,221.28x = 76,681,385.37 × 31,119,935.28
  4. Step 4: Simplify right side
    55,566,221.28x = 2,386,319,749,895,139
  5. Step 5: Solve for x
    x = 2,386,319,749,895,139/55,566,221.28
  6. Step 6: Final answer
    x = 42,945,510.69

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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.