Home / 140,042,154.90-193,258,441.20-77,318,374.20

Finding the Fourth Proportional to 140,042,154.90, 193,258,441.20 and 77,318,374.20

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Solution

The fourth proportional to 140,042,154.90, 193,258,441.20 and 77,318,374.20 is: 106,699,504.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,042,154.90 : 193,258,441.20 = 77,318,374.20 : x
  2. Step 2: Convert to fraction form
    140,042,154.90/193,258,441.20 = 77,318,374.20/x
  3. Step 3: Cross multiply
    140,042,154.90x = 193,258,441.20 × 77,318,374.20
  4. Step 4: Simplify right side
    140,042,154.90x = 14,942,428,474,010,296
  5. Step 5: Solve for x
    x = 14,942,428,474,010,296/140,042,154.90
  6. Step 6: Final answer
    x = 106,699,504.05

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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.