Home / 79,488,001.80-119,232,002.70-43,208,296.20

Finding the Fourth Proportional to 79,488,001.80, 119,232,002.70 and 43,208,296.20

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Solution

The fourth proportional to 79,488,001.80, 119,232,002.70 and 43,208,296.20 is: 64,812,444.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,488,001.80 : 119,232,002.70 = 43,208,296.20 : x
  2. Step 2: Convert to fraction form
    79,488,001.80/119,232,002.70 = 43,208,296.20/x
  3. Step 3: Cross multiply
    79,488,001.80x = 119,232,002.70 × 43,208,296.20
  4. Step 4: Simplify right side
    79,488,001.80x = 5,151,811,689,180,800
  5. Step 5: Solve for x
    x = 5,151,811,689,180,800/79,488,001.80
  6. Step 6: Final answer
    x = 64,812,444.30

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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.