Home / 103,343,627.20-155,015,440.80-35,186,318.95

Finding the Fourth Proportional to 103,343,627.20, 155,015,440.80 and 35,186,318.95

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Solution

The fourth proportional to 103,343,627.20, 155,015,440.80 and 35,186,318.95 is: 52,779,478.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,343,627.20 : 155,015,440.80 = 35,186,318.95 : x
  2. Step 2: Convert to fraction form
    103,343,627.20/155,015,440.80 = 35,186,318.95/x
  3. Step 3: Cross multiply
    103,343,627.20x = 155,015,440.80 × 35,186,318.95
  4. Step 4: Simplify right side
    103,343,627.20x = 5,454,422,742,163,644
  5. Step 5: Solve for x
    x = 5,454,422,742,163,644/103,343,627.20
  6. Step 6: Final answer
    x = 52,779,478.43

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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.