Home / 112,389,988.20-155,099,336.67-62,833,114.95

Finding the Fourth Proportional to 112,389,988.20, 155,099,336.67 and 62,833,114.95

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Solution

The fourth proportional to 112,389,988.20, 155,099,336.67 and 62,833,114.95 is: 86,710,343.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,389,988.20 : 155,099,336.67 = 62,833,114.95 : x
  2. Step 2: Convert to fraction form
    112,389,988.20/155,099,336.67 = 62,833,114.95/x
  3. Step 3: Cross multiply
    112,389,988.20x = 155,099,336.67 × 62,833,114.95
  4. Step 4: Simplify right side
    112,389,988.20x = 9,745,374,449,654,860
  5. Step 5: Solve for x
    x = 9,745,374,449,654,860/112,389,988.20
  6. Step 6: Final answer
    x = 86,710,343.21

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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.