Home / 139,335,519.60-209,003,279.40-93,419,017.20

Finding the Fourth Proportional to 139,335,519.60, 209,003,279.40 and 93,419,017.20

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Solution

The fourth proportional to 139,335,519.60, 209,003,279.40 and 93,419,017.20 is: 140,128,525.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,335,519.60 : 209,003,279.40 = 93,419,017.20 : x
  2. Step 2: Convert to fraction form
    139,335,519.60/209,003,279.40 = 93,419,017.20/x
  3. Step 3: Cross multiply
    139,335,519.60x = 209,003,279.40 × 93,419,017.20
  4. Step 4: Simplify right side
    139,335,519.60x = 19,524,880,953,125,008
  5. Step 5: Solve for x
    x = 19,524,880,953,125,008/139,335,519.60
  6. Step 6: Final answer
    x = 140,128,525.80

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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.