Home / 107,660,405.60-161,298,152.40-65,518,373.60

Finding the Fourth Proportional to 107,660,405.60, 161,298,152.40 and 65,518,373.60

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Solution

The fourth proportional to 107,660,405.60, 161,298,152.40 and 65,518,373.60 is: 98,160,438.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,660,405.60 : 161,298,152.40 = 65,518,373.60 : x
  2. Step 2: Convert to fraction form
    107,660,405.60/161,298,152.40 = 65,518,373.60/x
  3. Step 3: Cross multiply
    107,660,405.60x = 161,298,152.40 × 65,518,373.60
  4. Step 4: Simplify right side
    107,660,405.60x = 10,567,992,609,932,938
  5. Step 5: Solve for x
    x = 10,567,992,609,932,938/107,660,405.60
  6. Step 6: Final answer
    x = 98,160,438.38

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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.