Home / 129,894,992.98-179,253,663.12-70,354,807.78

Finding the Fourth Proportional to 129,894,992.98, 179,253,663.12 and 70,354,807.78

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Solution

The fourth proportional to 129,894,992.98, 179,253,663.12 and 70,354,807.78 is: 97,088,861.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,894,992.98 : 179,253,663.12 = 70,354,807.78 : x
  2. Step 2: Convert to fraction form
    129,894,992.98/179,253,663.12 = 70,354,807.78/x
  3. Step 3: Cross multiply
    129,894,992.98x = 179,253,663.12 × 70,354,807.78
  4. Step 4: Simplify right side
    129,894,992.98x = 12,611,357,012,668,476
  5. Step 5: Solve for x
    x = 12,611,357,012,668,476/129,894,992.98
  6. Step 6: Final answer
    x = 97,088,861.73

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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.