Home / 129,894,990.48-179,253,659.67-70,354,805.28

Finding the Fourth Proportional to 129,894,990.48, 179,253,659.67 and 70,354,805.28

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Solution

The fourth proportional to 129,894,990.48, 179,253,659.67 and 70,354,805.28 is: 97,088,858.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,894,990.48 : 179,253,659.67 = 70,354,805.28 : x
  2. Step 2: Convert to fraction form
    129,894,990.48/179,253,659.67 = 70,354,805.28/x
  3. Step 3: Cross multiply
    129,894,990.48x = 179,253,659.67 × 70,354,805.28
  4. Step 4: Simplify right side
    129,894,990.48x = 12,611,356,321,810,238
  5. Step 5: Solve for x
    x = 12,611,356,321,810,238/129,894,990.48
  6. Step 6: Final answer
    x = 97,088,858.28

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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.