Home / 272,967,920.70-409,451,881.05-88,735,040.70

Finding the Fourth Proportional to 272,967,920.70, 409,451,881.05 and 88,735,040.70

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Solution

The fourth proportional to 272,967,920.70, 409,451,881.05 and 88,735,040.70 is: 133,102,561.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,967,920.70 : 409,451,881.05 = 88,735,040.70 : x
  2. Step 2: Convert to fraction form
    272,967,920.70/409,451,881.05 = 88,735,040.70/x
  3. Step 3: Cross multiply
    272,967,920.70x = 409,451,881.05 × 88,735,040.70
  4. Step 4: Simplify right side
    272,967,920.70x = 36,332,729,329,663,312
  5. Step 5: Solve for x
    x = 36,332,729,329,663,312/272,967,920.70
  6. Step 6: Final answer
    x = 133,102,561.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.