Home / 139,187,340.60-208,781,010.90-117,016,409.40

Finding the Fourth Proportional to 139,187,340.60, 208,781,010.90 and 117,016,409.40

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Solution

The fourth proportional to 139,187,340.60, 208,781,010.90 and 117,016,409.40 is: 175,524,614.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,187,340.60 : 208,781,010.90 = 117,016,409.40 : x
  2. Step 2: Convert to fraction form
    139,187,340.60/208,781,010.90 = 117,016,409.40/x
  3. Step 3: Cross multiply
    139,187,340.60x = 208,781,010.90 × 117,016,409.40
  4. Step 4: Simplify right side
    139,187,340.60x = 24,430,804,246,420,264
  5. Step 5: Solve for x
    x = 24,430,804,246,420,264/139,187,340.60
  6. Step 6: Final answer
    x = 175,524,614.10

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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.