Home / 130,398,125.60-195,597,188.40-85,048,493.60

Finding the Fourth Proportional to 130,398,125.60, 195,597,188.40 and 85,048,493.60

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Solution

The fourth proportional to 130,398,125.60, 195,597,188.40 and 85,048,493.60 is: 127,572,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,398,125.60 : 195,597,188.40 = 85,048,493.60 : x
  2. Step 2: Convert to fraction form
    130,398,125.60/195,597,188.40 = 85,048,493.60/x
  3. Step 3: Cross multiply
    130,398,125.60x = 195,597,188.40 × 85,048,493.60
  4. Step 4: Simplify right side
    130,398,125.60x = 16,635,246,225,815,394
  5. Step 5: Solve for x
    x = 16,635,246,225,815,394/130,398,125.60
  6. Step 6: Final answer
    x = 127,572,740.40

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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.