Home / 90,170,902.56-124,434,895.02-50,478,759.72

Finding the Fourth Proportional to 90,170,902.56, 124,434,895.02 and 50,478,759.72

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Solution

The fourth proportional to 90,170,902.56, 124,434,895.02 and 50,478,759.72 is: 69,660,156.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,170,902.56 : 124,434,895.02 = 50,478,759.72 : x
  2. Step 2: Convert to fraction form
    90,170,902.56/124,434,895.02 = 50,478,759.72/x
  3. Step 3: Cross multiply
    90,170,902.56x = 124,434,895.02 × 50,478,759.72
  4. Step 4: Simplify right side
    90,170,902.56x = 6,281,319,166,498,004
  5. Step 5: Solve for x
    x = 6,281,319,166,498,004/90,170,902.56
  6. Step 6: Final answer
    x = 69,660,156.31

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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.