Home / 103,601,535.66-142,966,371.60-57,190,793.22

Finding the Fourth Proportional to 103,601,535.66, 142,966,371.60 and 57,190,793.22

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Solution

The fourth proportional to 103,601,535.66, 142,966,371.60 and 57,190,793.22 is: 78,921,225.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,601,535.66 : 142,966,371.60 = 57,190,793.22 : x
  2. Step 2: Convert to fraction form
    103,601,535.66/142,966,371.60 = 57,190,793.22/x
  3. Step 3: Cross multiply
    103,601,535.66x = 142,966,371.60 × 57,190,793.22
  4. Step 4: Simplify right side
    103,601,535.66x = 8,176,360,195,589,280
  5. Step 5: Solve for x
    x = 8,176,360,195,589,280/103,601,535.66
  6. Step 6: Final answer
    x = 78,921,225.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.