Home / 90,031,804.57-124,205,845.55-60,272,040.75

Finding the Fourth Proportional to 90,031,804.57, 124,205,845.55 and 60,272,040.75

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Solution

The fourth proportional to 90,031,804.57, 124,205,845.55 and 60,272,040.75 is: 83,149,947.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,031,804.57 : 124,205,845.55 = 60,272,040.75 : x
  2. Step 2: Convert to fraction form
    90,031,804.57/124,205,845.55 = 60,272,040.75/x
  3. Step 3: Cross multiply
    90,031,804.57x = 124,205,845.55 × 60,272,040.75
  4. Step 4: Simplify right side
    90,031,804.57x = 7,486,139,784,914,340
  5. Step 5: Solve for x
    x = 7,486,139,784,914,340/90,031,804.57
  6. Step 6: Final answer
    x = 83,149,947.07

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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.