Home / 79,437,136.80-119,155,705.20-49,204,048.80

Finding the Fourth Proportional to 79,437,136.80, 119,155,705.20 and 49,204,048.80

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Solution

The fourth proportional to 79,437,136.80, 119,155,705.20 and 49,204,048.80 is: 73,806,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,437,136.80 : 119,155,705.20 = 49,204,048.80 : x
  2. Step 2: Convert to fraction form
    79,437,136.80/119,155,705.20 = 49,204,048.80/x
  3. Step 3: Cross multiply
    79,437,136.80x = 119,155,705.20 × 49,204,048.80
  4. Step 4: Simplify right side
    79,437,136.80x = 5,862,943,133,459,214
  5. Step 5: Solve for x
    x = 5,862,943,133,459,214/79,437,136.80
  6. Step 6: Final answer
    x = 73,806,073.20

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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.