Home / 55,316,935.27-76,335,368.92-30,536,589.88

Finding the Fourth Proportional to 55,316,935.27, 76,335,368.92 and 30,536,589.88

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Solution

The fourth proportional to 55,316,935.27, 76,335,368.92 and 30,536,589.88 is: 42,139,389.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,316,935.27 : 76,335,368.92 = 30,536,589.88 : x
  2. Step 2: Convert to fraction form
    55,316,935.27/76,335,368.92 = 30,536,589.88/x
  3. Step 3: Cross multiply
    55,316,935.27x = 76,335,368.92 × 30,536,589.88
  4. Step 4: Simplify right side
    55,316,935.27x = 2,331,021,853,781,359
  5. Step 5: Solve for x
    x = 2,331,021,853,781,359/55,316,935.27
  6. Step 6: Final answer
    x = 42,139,389.00

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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.