Home / 91,288,348.76-125,938,334.82-60,391,550.00

Finding the Fourth Proportional to 91,288,348.76, 125,938,334.82 and 60,391,550.00

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Solution

The fourth proportional to 91,288,348.76, 125,938,334.82 and 60,391,550.00 is: 83,314,150.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,288,348.76 : 125,938,334.82 = 60,391,550.00 : x
  2. Step 2: Convert to fraction form
    91,288,348.76/125,938,334.82 = 60,391,550.00/x
  3. Step 3: Cross multiply
    91,288,348.76x = 125,938,334.82 × 60,391,550.00
  4. Step 4: Simplify right side
    91,288,348.76x = 7,605,611,244,513,616
  5. Step 5: Solve for x
    x = 7,605,611,244,513,616/91,288,348.76
  6. Step 6: Final answer
    x = 83,314,150.68

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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.