Home / 56,073,008.52-77,415,781.88-42,995,143.80

Finding the Fourth Proportional to 56,073,008.52, 77,415,781.88 and 42,995,143.80

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Solution

The fourth proportional to 56,073,008.52, 77,415,781.88 and 42,995,143.80 is: 59,360,158.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,073,008.52 : 77,415,781.88 = 42,995,143.80 : x
  2. Step 2: Convert to fraction form
    56,073,008.52/77,415,781.88 = 42,995,143.80/x
  3. Step 3: Cross multiply
    56,073,008.52x = 77,415,781.88 × 42,995,143.80
  4. Step 4: Simplify right side
    56,073,008.52x = 3,328,502,674,320,034
  5. Step 5: Solve for x
    x = 3,328,502,674,320,034/56,073,008.52
  6. Step 6: Final answer
    x = 59,360,158.52

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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.