Home / 268,779,938.80-403,169,908.20-132,731,042.80

Finding the Fourth Proportional to 268,779,938.80, 403,169,908.20 and 132,731,042.80

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Solution

The fourth proportional to 268,779,938.80, 403,169,908.20 and 132,731,042.80 is: 199,096,564.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,779,938.80 : 403,169,908.20 = 132,731,042.80 : x
  2. Step 2: Convert to fraction form
    268,779,938.80/403,169,908.20 = 132,731,042.80/x
  3. Step 3: Cross multiply
    268,779,938.80x = 403,169,908.20 × 132,731,042.80
  4. Step 4: Simplify right side
    268,779,938.80x = 53,513,162,340,966,272
  5. Step 5: Solve for x
    x = 53,513,162,340,966,272/268,779,938.80
  6. Step 6: Final answer
    x = 199,096,564.20

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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.