Home / 144,440,282-199,327,975.50-78,360,780.26

Finding the Fourth Proportional to 144,440,282, 199,327,975.50 and 78,360,780.26

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Solution

The fourth proportional to 144,440,282, 199,327,975.50 and 78,360,780.26 is: 108,138,086.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,440,282 : 199,327,975.50 = 78,360,780.26 : x
  2. Step 2: Convert to fraction form
    144,440,282/199,327,975.50 = 78,360,780.26/x
  3. Step 3: Cross multiply
    144,440,282x = 199,327,975.50 × 78,360,780.26
  4. Step 4: Simplify right side
    144,440,282x = 15,619,495,687,826,164
  5. Step 5: Solve for x
    x = 15,619,495,687,826,164/144,440,282
  6. Step 6: Final answer
    x = 108,138,086.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.