Home / 82,998,002.70-124,497,004.05-42,687,218.70

Finding the Fourth Proportional to 82,998,002.70, 124,497,004.05 and 42,687,218.70

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Solution

The fourth proportional to 82,998,002.70, 124,497,004.05 and 42,687,218.70 is: 64,030,828.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,998,002.70 : 124,497,004.05 = 42,687,218.70 : x
  2. Step 2: Convert to fraction form
    82,998,002.70/124,497,004.05 = 42,687,218.70/x
  3. Step 3: Cross multiply
    82,998,002.70x = 124,497,004.05 × 42,687,218.70
  4. Step 4: Simplify right side
    82,998,002.70x = 5,314,430,839,377,136
  5. Step 5: Solve for x
    x = 5,314,430,839,377,136/82,998,002.70
  6. Step 6: Final answer
    x = 64,030,828.05

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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.