Home / 54,652,501.55-81,993,110.02-19,641,150.78

Finding the Fourth Proportional to 54,652,501.55, 81,993,110.02 and 19,641,150.78

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Solution

The fourth proportional to 54,652,501.55, 81,993,110.02 and 19,641,150.78 is: 29,466,886.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,652,501.55 : 81,993,110.02 = 19,641,150.78 : x
  2. Step 2: Convert to fraction form
    54,652,501.55/81,993,110.02 = 19,641,150.78/x
  3. Step 3: Cross multiply
    54,652,501.55x = 81,993,110.02 × 19,641,150.78
  4. Step 4: Simplify right side
    54,652,501.55x = 1,610,439,036,823,948.75
  5. Step 5: Solve for x
    x = 1,610,439,036,823,948.75/54,652,501.55
  6. Step 6: Final answer
    x = 29,466,886.07

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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.