Home / 199,726,492.80-299,365,790.40-84,691,459.20

Finding the Fourth Proportional to 199,726,492.80, 299,365,790.40 and 84,691,459.20

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Solution

The fourth proportional to 199,726,492.80, 299,365,790.40 and 84,691,459.20 is: 126,942,226.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,726,492.80 : 299,365,790.40 = 84,691,459.20 : x
  2. Step 2: Convert to fraction form
    199,726,492.80/299,365,790.40 = 84,691,459.20/x
  3. Step 3: Cross multiply
    199,726,492.80x = 299,365,790.40 × 84,691,459.20
  4. Step 4: Simplify right side
    199,726,492.80x = 25,353,725,623,537,352
  5. Step 5: Solve for x
    x = 25,353,725,623,537,352/199,726,492.80
  6. Step 6: Final answer
    x = 126,942,226.18

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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.