Home / 56,681,064.91-78,217,353.50-31,564,469.89

Finding the Fourth Proportional to 56,681,064.91, 78,217,353.50 and 31,564,469.89

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Solution

The fourth proportional to 56,681,064.91, 78,217,353.50 and 31,564,469.89 is: 43,557,567.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,681,064.91 : 78,217,353.50 = 31,564,469.89 : x
  2. Step 2: Convert to fraction form
    56,681,064.91/78,217,353.50 = 31,564,469.89/x
  3. Step 3: Cross multiply
    56,681,064.91x = 78,217,353.50 × 31,564,469.89
  4. Step 4: Simplify right side
    56,681,064.91x = 2,468,889,299,426,236
  5. Step 5: Solve for x
    x = 2,468,889,299,426,236/56,681,064.91
  6. Step 6: Final answer
    x = 43,557,567.30

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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.