Home / 172,368,287.20-258,552,430.80-57,356,581.60

Finding the Fourth Proportional to 172,368,287.20, 258,552,430.80 and 57,356,581.60

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Solution

The fourth proportional to 172,368,287.20, 258,552,430.80 and 57,356,581.60 is: 86,034,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,368,287.20 : 258,552,430.80 = 57,356,581.60 : x
  2. Step 2: Convert to fraction form
    172,368,287.20/258,552,430.80 = 57,356,581.60/x
  3. Step 3: Cross multiply
    172,368,287.20x = 258,552,430.80 × 57,356,581.60
  4. Step 4: Simplify right side
    172,368,287.20x = 14,829,683,595,058,554
  5. Step 5: Solve for x
    x = 14,829,683,595,058,554/172,368,287.20
  6. Step 6: Final answer
    x = 86,034,872.40

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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.