Home / 139,969,008.30-209,953,512.45-59,189,976.30

Finding the Fourth Proportional to 139,969,008.30, 209,953,512.45 and 59,189,976.30

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Solution

The fourth proportional to 139,969,008.30, 209,953,512.45 and 59,189,976.30 is: 88,784,964.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,969,008.30 : 209,953,512.45 = 59,189,976.30 : x
  2. Step 2: Convert to fraction form
    139,969,008.30/209,953,512.45 = 59,189,976.30/x
  3. Step 3: Cross multiply
    139,969,008.30x = 209,953,512.45 × 59,189,976.30
  4. Step 4: Simplify right side
    139,969,008.30x = 12,427,143,426,017,254
  5. Step 5: Solve for x
    x = 12,427,143,426,017,254/139,969,008.30
  6. Step 6: Final answer
    x = 88,784,964.45

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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.