Home / 56,689,807.91-78,234,412.34-31,911,593.63

Finding the Fourth Proportional to 56,689,807.91, 78,234,412.34 and 31,911,593.63

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Solution

The fourth proportional to 56,689,807.91, 78,234,412.34 and 31,911,593.63 is: 44,039,393.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,689,807.91 : 78,234,412.34 = 31,911,593.63 : x
  2. Step 2: Convert to fraction form
    56,689,807.91/78,234,412.34 = 31,911,593.63/x
  3. Step 3: Cross multiply
    56,689,807.91x = 78,234,412.34 × 31,911,593.63
  4. Step 4: Simplify right side
    56,689,807.91x = 2,496,584,774,164,544.50
  5. Step 5: Solve for x
    x = 2,496,584,774,164,544.50/56,689,807.91
  6. Step 6: Final answer
    x = 44,039,393.79

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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.