Home / 79,812,127.80-119,765,430.90-52,597,099.80

Finding the Fourth Proportional to 79,812,127.80, 119,765,430.90 and 52,597,099.80

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Solution

The fourth proportional to 79,812,127.80, 119,765,430.90 and 52,597,099.80 is: 78,926,780.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,812,127.80 : 119,765,430.90 = 52,597,099.80 : x
  2. Step 2: Convert to fraction form
    79,812,127.80/119,765,430.90 = 52,597,099.80/x
  3. Step 3: Cross multiply
    79,812,127.80x = 119,765,430.90 × 52,597,099.80
  4. Step 4: Simplify right side
    79,812,127.80x = 6,299,314,321,637,304
  5. Step 5: Solve for x
    x = 6,299,314,321,637,304/79,812,127.80
  6. Step 6: Final answer
    x = 78,926,780.87

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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.