Home / 89,173,812.80-133,760,719.20-38,155,476.80

Finding the Fourth Proportional to 89,173,812.80, 133,760,719.20 and 38,155,476.80

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Solution

The fourth proportional to 89,173,812.80, 133,760,719.20 and 38,155,476.80 is: 57,233,215.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,173,812.80 : 133,760,719.20 = 38,155,476.80 : x
  2. Step 2: Convert to fraction form
    89,173,812.80/133,760,719.20 = 38,155,476.80/x
  3. Step 3: Cross multiply
    89,173,812.80x = 133,760,719.20 × 38,155,476.80
  4. Step 4: Simplify right side
    89,173,812.80x = 5,103,704,018,186,914
  5. Step 5: Solve for x
    x = 5,103,704,018,186,914/89,173,812.80
  6. Step 6: Final answer
    x = 57,233,215.20

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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.