Home / 331,743,816.20-497,615,724.30-89,406,720.20

Finding the Fourth Proportional to 331,743,816.20, 497,615,724.30 and 89,406,720.20

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Solution

The fourth proportional to 331,743,816.20, 497,615,724.30 and 89,406,720.20 is: 134,110,080.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,743,816.20 : 497,615,724.30 = 89,406,720.20 : x
  2. Step 2: Convert to fraction form
    331,743,816.20/497,615,724.30 = 89,406,720.20/x
  3. Step 3: Cross multiply
    331,743,816.20x = 497,615,724.30 × 89,406,720.20
  4. Step 4: Simplify right side
    331,743,816.20x = 44,490,189,829,610,440
  5. Step 5: Solve for x
    x = 44,490,189,829,610,440/331,743,816.20
  6. Step 6: Final answer
    x = 134,110,080.30

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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.