Home / 138,527,301.60-207,653,900.40-65,615,929.20

Finding the Fourth Proportional to 138,527,301.60, 207,653,900.40 and 65,615,929.20

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Solution

The fourth proportional to 138,527,301.60, 207,653,900.40 and 65,615,929.20 is: 98,358,976.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,527,301.60 : 207,653,900.40 = 65,615,929.20 : x
  2. Step 2: Convert to fraction form
    138,527,301.60/207,653,900.40 = 65,615,929.20/x
  3. Step 3: Cross multiply
    138,527,301.60x = 207,653,900.40 × 65,615,929.20
  4. Step 4: Simplify right side
    138,527,301.60x = 13,625,403,626,750,252
  5. Step 5: Solve for x
    x = 13,625,403,626,750,252/138,527,301.60
  6. Step 6: Final answer
    x = 98,358,976.67

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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.