Home / 98,770,159.62-136,311,190.47-54,730,972.55

Finding the Fourth Proportional to 98,770,159.62, 136,311,190.47 and 54,730,972.55

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Solution

The fourth proportional to 98,770,159.62, 136,311,190.47 and 54,730,972.55 is: 75,533,380.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,770,159.62 : 136,311,190.47 = 54,730,972.55 : x
  2. Step 2: Convert to fraction form
    98,770,159.62/136,311,190.47 = 54,730,972.55/x
  3. Step 3: Cross multiply
    98,770,159.62x = 136,311,190.47 × 54,730,972.55
  4. Step 4: Simplify right side
    98,770,159.62x = 7,460,444,023,871,391
  5. Step 5: Solve for x
    x = 7,460,444,023,871,391/98,770,159.62
  6. Step 6: Final answer
    x = 75,533,380.25

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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.