Home / 162,779,131.80-244,452,132.90-86,251,627.80

Finding the Fourth Proportional to 162,779,131.80, 244,452,132.90 and 86,251,627.80

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Solution

The fourth proportional to 162,779,131.80, 244,452,132.90 and 86,251,627.80 is: 129,527,625.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,779,131.80 : 244,452,132.90 = 86,251,627.80 : x
  2. Step 2: Convert to fraction form
    162,779,131.80/244,452,132.90 = 86,251,627.80/x
  3. Step 3: Cross multiply
    162,779,131.80x = 244,452,132.90 × 86,251,627.80
  4. Step 4: Simplify right side
    162,779,131.80x = 21,084,394,381,806,936
  5. Step 5: Solve for x
    x = 21,084,394,381,806,936/162,779,131.80
  6. Step 6: Final answer
    x = 129,527,625.25

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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.