Home / 139,752,184.40-209,590,951.80-42,707,704.40

Finding the Fourth Proportional to 139,752,184.40, 209,590,951.80 and 42,707,704.40

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Solution

The fourth proportional to 139,752,184.40, 209,590,951.80 and 42,707,704.40 is: 64,050,150.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,752,184.40 : 209,590,951.80 = 42,707,704.40 : x
  2. Step 2: Convert to fraction form
    139,752,184.40/209,590,951.80 = 42,707,704.40/x
  3. Step 3: Cross multiply
    139,752,184.40x = 209,590,951.80 × 42,707,704.40
  4. Step 4: Simplify right side
    139,752,184.40x = 8,951,148,414,389,048
  5. Step 5: Solve for x
    x = 8,951,148,414,389,048/139,752,184.40
  6. Step 6: Final answer
    x = 64,050,150.29

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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.