Home / 129,818,475.40-179,148,838.98-71,080,073.32

Finding the Fourth Proportional to 129,818,475.40, 179,148,838.98 and 71,080,073.32

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Solution

The fourth proportional to 129,818,475.40, 179,148,838.98 and 71,080,073.32 is: 98,090,141.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,818,475.40 : 179,148,838.98 = 71,080,073.32 : x
  2. Step 2: Convert to fraction form
    129,818,475.40/179,148,838.98 = 71,080,073.32/x
  3. Step 3: Cross multiply
    129,818,475.40x = 179,148,838.98 × 71,080,073.32
  4. Step 4: Simplify right side
    129,818,475.40x = 12,733,912,609,891,272
  5. Step 5: Solve for x
    x = 12,733,912,609,891,272/129,818,475.40
  6. Step 6: Final answer
    x = 98,090,141.41

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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.