Home / 56,681,068.42-78,217,358.32-31,564,473.40

Finding the Fourth Proportional to 56,681,068.42, 78,217,358.32 and 31,564,473.40

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Solution

The fourth proportional to 56,681,068.42, 78,217,358.32 and 31,564,473.40 is: 43,557,572.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,681,068.42 : 78,217,358.32 = 31,564,473.40 : x
  2. Step 2: Convert to fraction form
    56,681,068.42/78,217,358.32 = 31,564,473.40/x
  3. Step 3: Cross multiply
    56,681,068.42x = 78,217,358.32 × 31,564,473.40
  4. Step 4: Simplify right side
    56,681,068.42x = 2,468,889,726,109,908.50
  5. Step 5: Solve for x
    x = 2,468,889,726,109,908.50/56,681,068.42
  6. Step 6: Final answer
    x = 43,557,572.13

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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.