Home / 139,335,521.10-209,003,281.65-93,419,018.70

Finding the Fourth Proportional to 139,335,521.10, 209,003,281.65 and 93,419,018.70

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Solution

The fourth proportional to 139,335,521.10, 209,003,281.65 and 93,419,018.70 is: 140,128,528.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,335,521.10 : 209,003,281.65 = 93,419,018.70 : x
  2. Step 2: Convert to fraction form
    139,335,521.10/209,003,281.65 = 93,419,018.70/x
  3. Step 3: Cross multiply
    139,335,521.10x = 209,003,281.65 × 93,419,018.70
  4. Step 4: Simplify right side
    139,335,521.10x = 19,524,881,476,822,720
  5. Step 5: Solve for x
    x = 19,524,881,476,822,720/139,335,521.10
  6. Step 6: Final answer
    x = 140,128,528.05

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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.