Home / 129,894,166.20-179,252,521.32-70,353,981.17

Finding the Fourth Proportional to 129,894,166.20, 179,252,521.32 and 70,353,981.17

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Solution

The fourth proportional to 129,894,166.20, 179,252,521.32 and 70,353,981.17 is: 97,087,720.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,894,166.20 : 179,252,521.32 = 70,353,981.17 : x
  2. Step 2: Convert to fraction form
    129,894,166.20/179,252,521.32 = 70,353,981.17/x
  3. Step 3: Cross multiply
    129,894,166.20x = 179,252,521.32 × 70,353,981.17
  4. Step 4: Simplify right side
    129,894,166.20x = 12,611,128,508,726,042
  5. Step 5: Solve for x
    x = 12,611,128,508,726,042/129,894,166.20
  6. Step 6: Final answer
    x = 97,087,720.55

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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.