Home / 109,156,738.70-163,735,108.05-80,458,924.70

Finding the Fourth Proportional to 109,156,738.70, 163,735,108.05 and 80,458,924.70

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Solution

The fourth proportional to 109,156,738.70, 163,735,108.05 and 80,458,924.70 is: 120,688,387.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,156,738.70 : 163,735,108.05 = 80,458,924.70 : x
  2. Step 2: Convert to fraction form
    109,156,738.70/163,735,108.05 = 80,458,924.70/x
  3. Step 3: Cross multiply
    109,156,738.70x = 163,735,108.05 × 80,458,924.70
  4. Step 4: Simplify right side
    109,156,738.70x = 13,173,950,729,341,316
  5. Step 5: Solve for x
    x = 13,173,950,729,341,316/109,156,738.70
  6. Step 6: Final answer
    x = 120,688,387.05

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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.