Home / 107,660,410.10-161,298,159.15-65,518,378.10

Finding the Fourth Proportional to 107,660,410.10, 161,298,159.15 and 65,518,378.10

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Solution

The fourth proportional to 107,660,410.10, 161,298,159.15 and 65,518,378.10 is: 98,160,445.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,660,410.10 : 161,298,159.15 = 65,518,378.10 : x
  2. Step 2: Convert to fraction form
    107,660,410.10/161,298,159.15 = 65,518,378.10/x
  3. Step 3: Cross multiply
    107,660,410.10x = 161,298,159.15 × 65,518,378.10
  4. Step 4: Simplify right side
    107,660,410.10x = 10,567,993,778,023,676
  5. Step 5: Solve for x
    x = 10,567,993,778,023,676/107,660,410.10
  6. Step 6: Final answer
    x = 98,160,445.13

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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.