Home / 90,222,147.88-124,506,656.22-48,969,048.76

Finding the Fourth Proportional to 90,222,147.88, 124,506,656.22 and 48,969,048.76

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Solution

The fourth proportional to 90,222,147.88, 124,506,656.22 and 48,969,048.76 is: 67,577,337.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,222,147.88 : 124,506,656.22 = 48,969,048.76 : x
  2. Step 2: Convert to fraction form
    90,222,147.88/124,506,656.22 = 48,969,048.76/x
  3. Step 3: Cross multiply
    90,222,147.88x = 124,506,656.22 × 48,969,048.76
  4. Step 4: Simplify right side
    90,222,147.88x = 6,096,972,519,381,737
  5. Step 5: Solve for x
    x = 6,096,972,519,381,737/90,222,147.88
  6. Step 6: Final answer
    x = 67,577,337.30

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1.5x scale

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.