Home / 91,288,352.78-125,938,340.34-60,391,554.02

Finding the Fourth Proportional to 91,288,352.78, 125,938,340.34 and 60,391,554.02

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Solution

The fourth proportional to 91,288,352.78, 125,938,340.34 and 60,391,554.02 is: 83,314,156.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,288,352.78 : 125,938,340.34 = 60,391,554.02 : x
  2. Step 2: Convert to fraction form
    91,288,352.78/125,938,340.34 = 60,391,554.02/x
  3. Step 3: Cross multiply
    91,288,352.78x = 125,938,340.34 × 60,391,554.02
  4. Step 4: Simplify right side
    91,288,352.78x = 7,605,612,083,832,256
  5. Step 5: Solve for x
    x = 7,605,612,083,832,256/91,288,352.78
  6. Step 6: Final answer
    x = 83,314,156.21

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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.