Home / 199,335,909.60-299,003,864.40-122,409,496.80

Finding the Fourth Proportional to 199,335,909.60, 299,003,864.40 and 122,409,496.80

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Solution

The fourth proportional to 199,335,909.60, 299,003,864.40 and 122,409,496.80 is: 183,614,245.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,335,909.60 : 299,003,864.40 = 122,409,496.80 : x
  2. Step 2: Convert to fraction form
    199,335,909.60/299,003,864.40 = 122,409,496.80/x
  3. Step 3: Cross multiply
    199,335,909.60x = 299,003,864.40 × 122,409,496.80
  4. Step 4: Simplify right side
    199,335,909.60x = 36,600,912,582,459,432
  5. Step 5: Solve for x
    x = 36,600,912,582,459,432/199,335,909.60
  6. Step 6: Final answer
    x = 183,614,245.20

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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.