Home / 129,894,162.82-179,252,516.66-70,353,977.78

Finding the Fourth Proportional to 129,894,162.82, 179,252,516.66 and 70,353,977.78

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Solution

The fourth proportional to 129,894,162.82, 179,252,516.66 and 70,353,977.78 is: 97,087,715.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,894,162.82 : 179,252,516.66 = 70,353,977.78 : x
  2. Step 2: Convert to fraction form
    129,894,162.82/179,252,516.66 = 70,353,977.78/x
  3. Step 3: Cross multiply
    129,894,162.82x = 179,252,516.66 × 70,353,977.78
  4. Step 4: Simplify right side
    129,894,162.82x = 12,611,127,574,730,736
  5. Step 5: Solve for x
    x = 12,611,127,574,730,736/129,894,162.82
  6. Step 6: Final answer
    x = 97,087,715.88

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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.