Home / 99,216,002.40-148,814,374.80-30,129,400.80

Finding the Fourth Proportional to 99,216,002.40, 148,814,374.80 and 30,129,400.80

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Solution

The fourth proportional to 99,216,002.40, 148,814,374.80 and 30,129,400.80 is: 45,191,177.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,216,002.40 : 148,814,374.80 = 30,129,400.80 : x
  2. Step 2: Convert to fraction form
    99,216,002.40/148,814,374.80 = 30,129,400.80/x
  3. Step 3: Cross multiply
    99,216,002.40x = 148,814,374.80 × 30,129,400.80
  4. Step 4: Simplify right side
    99,216,002.40x = 4,483,687,943,150,620.50
  5. Step 5: Solve for x
    x = 4,483,687,943,150,620.50/99,216,002.40
  6. Step 6: Final answer
    x = 45,191,177.18

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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.