Home / 129,863,490.83-179,211,790.13-70,324,889.57

Finding the Fourth Proportional to 129,863,490.83, 179,211,790.13 and 70,324,889.57

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Solution

The fourth proportional to 129,863,490.83, 179,211,790.13 and 70,324,889.57 is: 97,048,441.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,863,490.83 : 179,211,790.13 = 70,324,889.57 : x
  2. Step 2: Convert to fraction form
    129,863,490.83/179,211,790.13 = 70,324,889.57/x
  3. Step 3: Cross multiply
    129,863,490.83x = 179,211,790.13 × 70,324,889.57
  4. Step 4: Simplify right side
    129,863,490.83x = 12,603,049,350,534,264
  5. Step 5: Solve for x
    x = 12,603,049,350,534,264/129,863,490.83
  6. Step 6: Final answer
    x = 97,048,441.17

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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.