Home / 260,557,695.80-390,985,842.90-99,115,494.20

Finding the Fourth Proportional to 260,557,695.80, 390,985,842.90 and 99,115,494.20

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Solution

The fourth proportional to 260,557,695.80, 390,985,842.90 and 99,115,494.20 is: 148,730,034.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,557,695.80 : 390,985,842.90 = 99,115,494.20 : x
  2. Step 2: Convert to fraction form
    260,557,695.80/390,985,842.90 = 99,115,494.20/x
  3. Step 3: Cross multiply
    260,557,695.80x = 390,985,842.90 × 99,115,494.20
  4. Step 4: Simplify right side
    260,557,695.80x = 38,752,755,044,237,056
  5. Step 5: Solve for x
    x = 38,752,755,044,237,056/260,557,695.80
  6. Step 6: Final answer
    x = 148,730,034.34

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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.