Home / 79,728,410.70-119,592,616.05-43,354,226.70

Finding the Fourth Proportional to 79,728,410.70, 119,592,616.05 and 43,354,226.70

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Solution

The fourth proportional to 79,728,410.70, 119,592,616.05 and 43,354,226.70 is: 65,031,340.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,728,410.70 : 119,592,616.05 = 43,354,226.70 : x
  2. Step 2: Convert to fraction form
    79,728,410.70/119,592,616.05 = 43,354,226.70/x
  3. Step 3: Cross multiply
    79,728,410.70x = 119,592,616.05 × 43,354,226.70
  4. Step 4: Simplify right side
    79,728,410.70x = 5,184,845,387,877,759
  5. Step 5: Solve for x
    x = 5,184,845,387,877,759/79,728,410.70
  6. Step 6: Final answer
    x = 65,031,340.05

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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.