Home / 79,728,411.20-119,592,616.80-43,354,227.20

Finding the Fourth Proportional to 79,728,411.20, 119,592,616.80 and 43,354,227.20

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Solution

The fourth proportional to 79,728,411.20, 119,592,616.80 and 43,354,227.20 is: 65,031,340.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,728,411.20 : 119,592,616.80 = 43,354,227.20 : x
  2. Step 2: Convert to fraction form
    79,728,411.20/119,592,616.80 = 43,354,227.20/x
  3. Step 3: Cross multiply
    79,728,411.20x = 119,592,616.80 × 43,354,227.20
  4. Step 4: Simplify right side
    79,728,411.20x = 5,184,845,480,189,737
  5. Step 5: Solve for x
    x = 5,184,845,480,189,737/79,728,411.20
  6. Step 6: Final answer
    x = 65,031,340.80

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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.