Home / 90,658,373.85-135,937,697.18-61,936,940.25

Finding the Fourth Proportional to 90,658,373.85, 135,937,697.18 and 61,936,940.25

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Solution

The fourth proportional to 90,658,373.85, 135,937,697.18 and 61,936,940.25 is: 92,871,344.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,658,373.85 : 135,937,697.18 = 61,936,940.25 : x
  2. Step 2: Convert to fraction form
    90,658,373.85/135,937,697.18 = 61,936,940.25/x
  3. Step 3: Cross multiply
    90,658,373.85x = 135,937,697.18 × 61,936,940.25
  4. Step 4: Simplify right side
    90,658,373.85x = 8,419,565,027,650,570
  5. Step 5: Solve for x
    x = 8,419,565,027,650,570/90,658,373.85
  6. Step 6: Final answer
    x = 92,871,344.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.