Home / 130,170,654.60-179,637,708.18-71,438,784.52

Finding the Fourth Proportional to 130,170,654.60, 179,637,708.18 and 71,438,784.52

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Solution

The fourth proportional to 130,170,654.60, 179,637,708.18 and 71,438,784.52 is: 98,586,732.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,170,654.60 : 179,637,708.18 = 71,438,784.52 : x
  2. Step 2: Convert to fraction form
    130,170,654.60/179,637,708.18 = 71,438,784.52/x
  3. Step 3: Cross multiply
    130,170,654.60x = 179,637,708.18 × 71,438,784.52
  4. Step 4: Simplify right side
    130,170,654.60x = 12,833,099,526,337,662
  5. Step 5: Solve for x
    x = 12,833,099,526,337,662/130,170,654.60
  6. Step 6: Final answer
    x = 98,586,732.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.