Home / 99,259,621.90-148,889,432.85-30,172,291.90

Finding the Fourth Proportional to 99,259,621.90, 148,889,432.85 and 30,172,291.90

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Solution

The fourth proportional to 99,259,621.90, 148,889,432.85 and 30,172,291.90 is: 45,258,437.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,259,621.90 : 148,889,432.85 = 30,172,291.90 : x
  2. Step 2: Convert to fraction form
    99,259,621.90/148,889,432.85 = 30,172,291.90/x
  3. Step 3: Cross multiply
    99,259,621.90x = 148,889,432.85 × 30,172,291.90
  4. Step 4: Simplify right side
    99,259,621.90x = 4,492,335,428,775,648.50
  5. Step 5: Solve for x
    x = 4,492,335,428,775,648.50/99,259,621.90
  6. Step 6: Final answer
    x = 45,258,437.85

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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.