Home / 168,681,719.30-252,854,617.35-77,646,532.10

Finding the Fourth Proportional to 168,681,719.30, 252,854,617.35 and 77,646,532.10

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Solution

The fourth proportional to 168,681,719.30, 252,854,617.35 and 77,646,532.10 is: 116,392,483.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,681,719.30 : 252,854,617.35 = 77,646,532.10 : x
  2. Step 2: Convert to fraction form
    168,681,719.30/252,854,617.35 = 77,646,532.10/x
  3. Step 3: Cross multiply
    168,681,719.30x = 252,854,617.35 × 77,646,532.10
  4. Step 4: Simplify right side
    168,681,719.30x = 19,633,284,162,699,988
  5. Step 5: Solve for x
    x = 19,633,284,162,699,988/168,681,719.30
  6. Step 6: Final answer
    x = 116,392,483.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.