Home / 55,779,371.40-83,669,057.10-39,517,276.80

Finding the Fourth Proportional to 55,779,371.40, 83,669,057.10 and 39,517,276.80

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Solution

The fourth proportional to 55,779,371.40, 83,669,057.10 and 39,517,276.80 is: 59,275,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,779,371.40 : 83,669,057.10 = 39,517,276.80 : x
  2. Step 2: Convert to fraction form
    55,779,371.40/83,669,057.10 = 39,517,276.80/x
  3. Step 3: Cross multiply
    55,779,371.40x = 83,669,057.10 × 39,517,276.80
  4. Step 4: Simplify right side
    55,779,371.40x = 3,306,373,289,015,705
  5. Step 5: Solve for x
    x = 3,306,373,289,015,705/55,779,371.40
  6. Step 6: Final answer
    x = 59,275,915.20

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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.