Home / 129,863,483.52-179,211,780-70,324,882.26

Finding the Fourth Proportional to 129,863,483.52, 179,211,780 and 70,324,882.26

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Solution

The fourth proportional to 129,863,483.52, 179,211,780 and 70,324,882.26 is: 97,048,431.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,863,483.52 : 179,211,780 = 70,324,882.26 : x
  2. Step 2: Convert to fraction form
    129,863,483.52/179,211,780 = 70,324,882.26/x
  3. Step 3: Cross multiply
    129,863,483.52x = 179,211,780 × 70,324,882.26
  4. Step 4: Simplify right side
    129,863,483.52x = 12,603,047,328,105,024
  5. Step 5: Solve for x
    x = 12,603,047,328,105,024/129,863,483.52
  6. Step 6: Final answer
    x = 97,048,431.06

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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.