Home / 260,016,002.90-390,081,741.15-87,487,946.90

Finding the Fourth Proportional to 260,016,002.90, 390,081,741.15 and 87,487,946.90

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Solution

The fourth proportional to 260,016,002.90, 390,081,741.15 and 87,487,946.90 is: 131,251,347.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,016,002.90 : 390,081,741.15 = 87,487,946.90 : x
  2. Step 2: Convert to fraction form
    260,016,002.90/390,081,741.15 = 87,487,946.90/x
  3. Step 3: Cross multiply
    260,016,002.90x = 390,081,741.15 × 87,487,946.90
  4. Step 4: Simplify right side
    260,016,002.90x = 34,127,450,656,390,744
  5. Step 5: Solve for x
    x = 34,127,450,656,390,744/260,016,002.90
  6. Step 6: Final answer
    x = 131,251,347.13

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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.