Home / 87,008,401.60-130,363,303.20-41,472,145.60

Finding the Fourth Proportional to 87,008,401.60, 130,363,303.20 and 41,472,145.60

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Solution

The fourth proportional to 87,008,401.60, 130,363,303.20 and 41,472,145.60 is: 62,137,055.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,008,401.60 : 130,363,303.20 = 41,472,145.60 : x
  2. Step 2: Convert to fraction form
    87,008,401.60/130,363,303.20 = 41,472,145.60/x
  3. Step 3: Cross multiply
    87,008,401.60x = 130,363,303.20 × 41,472,145.60
  4. Step 4: Simplify right side
    87,008,401.60x = 5,406,445,891,207,346
  5. Step 5: Solve for x
    x = 5,406,445,891,207,346/87,008,401.60
  6. Step 6: Final answer
    x = 62,137,055.64

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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.