Home / 103,141,017.47-154,694,708.52-30,340,772.46

Finding the Fourth Proportional to 103,141,017.47, 154,694,708.52 and 30,340,772.46

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Solution

The fourth proportional to 103,141,017.47, 154,694,708.52 and 30,340,772.46 is: 45,506,211.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,141,017.47 : 154,694,708.52 = 30,340,772.46 : x
  2. Step 2: Convert to fraction form
    103,141,017.47/154,694,708.52 = 30,340,772.46/x
  3. Step 3: Cross multiply
    103,141,017.47x = 154,694,708.52 × 30,340,772.46
  4. Step 4: Simplify right side
    103,141,017.47x = 4,693,556,952,292,567
  5. Step 5: Solve for x
    x = 4,693,556,952,292,567/103,141,017.47
  6. Step 6: Final answer
    x = 45,506,211.47

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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.