Home / 191,387,246.80-287,052,876.60-55,058,414.80

Finding the Fourth Proportional to 191,387,246.80, 287,052,876.60 and 55,058,414.80

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Solution

The fourth proportional to 191,387,246.80, 287,052,876.60 and 55,058,414.80 is: 82,579,568.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,387,246.80 : 287,052,876.60 = 55,058,414.80 : x
  2. Step 2: Convert to fraction form
    191,387,246.80/287,052,876.60 = 55,058,414.80/x
  3. Step 3: Cross multiply
    191,387,246.80x = 287,052,876.60 × 55,058,414.80
  4. Step 4: Simplify right side
    191,387,246.80x = 15,804,676,349,376,014
  5. Step 5: Solve for x
    x = 15,804,676,349,376,014/191,387,246.80
  6. Step 6: Final answer
    x = 82,579,568.98

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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.