Home / 112,752,642.80-169,128,964.20-36,078,172.40

Finding the Fourth Proportional to 112,752,642.80, 169,128,964.20 and 36,078,172.40

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Solution

The fourth proportional to 112,752,642.80, 169,128,964.20 and 36,078,172.40 is: 54,117,258.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,752,642.80 : 169,128,964.20 = 36,078,172.40 : x
  2. Step 2: Convert to fraction form
    112,752,642.80/169,128,964.20 = 36,078,172.40/x
  3. Step 3: Cross multiply
    112,752,642.80x = 169,128,964.20 × 36,078,172.40
  4. Step 4: Simplify right side
    112,752,642.80x = 6,101,863,928,241,027
  5. Step 5: Solve for x
    x = 6,101,863,928,241,027/112,752,642.80
  6. Step 6: Final answer
    x = 54,117,258.60

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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.