Home / 129,865,026.64-179,216,637.82-74,109,337.20

Finding the Fourth Proportional to 129,865,026.64, 179,216,637.82 and 74,109,337.20

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Solution

The fourth proportional to 129,865,026.64, 179,216,637.82 and 74,109,337.20 is: 102,272,540.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,865,026.64 : 179,216,637.82 = 74,109,337.20 : x
  2. Step 2: Convert to fraction form
    129,865,026.64/179,216,637.82 = 74,109,337.20/x
  3. Step 3: Cross multiply
    129,865,026.64x = 179,216,637.82 × 74,109,337.20
  4. Step 4: Simplify right side
    129,865,026.64x = 13,281,626,244,052,652
  5. Step 5: Solve for x
    x = 13,281,626,244,052,652/129,865,026.64
  6. Step 6: Final answer
    x = 102,272,540.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.