Home / 77,549,816.52-107,024,899.92-42,748,697.88

Finding the Fourth Proportional to 77,549,816.52, 107,024,899.92 and 42,748,697.88

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Solution

The fourth proportional to 77,549,816.52, 107,024,899.92 and 42,748,697.88 is: 58,996,594.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,549,816.52 : 107,024,899.92 = 42,748,697.88 : x
  2. Step 2: Convert to fraction form
    77,549,816.52/107,024,899.92 = 42,748,697.88/x
  3. Step 3: Cross multiply
    77,549,816.52x = 107,024,899.92 × 42,748,697.88
  4. Step 4: Simplify right side
    77,549,816.52x = 4,575,175,112,317,317
  5. Step 5: Solve for x
    x = 4,575,175,112,317,317/77,549,816.52
  6. Step 6: Final answer
    x = 58,996,594.93

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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.