Home / 90,772,291.70-125,248,630.46-54,106,274.42

Finding the Fourth Proportional to 90,772,291.70, 125,248,630.46 and 54,106,274.42

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Solution

The fourth proportional to 90,772,291.70, 125,248,630.46 and 54,106,274.42 is: 74,656,446.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,772,291.70 : 125,248,630.46 = 54,106,274.42 : x
  2. Step 2: Convert to fraction form
    90,772,291.70/125,248,630.46 = 54,106,274.42/x
  3. Step 3: Cross multiply
    90,772,291.70x = 125,248,630.46 × 54,106,274.42
  4. Step 4: Simplify right side
    90,772,291.70x = 6,776,736,770,846,318
  5. Step 5: Solve for x
    x = 6,776,736,770,846,318/90,772,291.70
  6. Step 6: Final answer
    x = 74,656,446.85

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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.