Home / 112,363,441.30-168,356,205.15-74,005,210.90

Finding the Fourth Proportional to 112,363,441.30, 168,356,205.15 and 74,005,210.90

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Solution

The fourth proportional to 112,363,441.30, 168,356,205.15 and 74,005,210.90 is: 110,883,364.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,363,441.30 : 168,356,205.15 = 74,005,210.90 : x
  2. Step 2: Convert to fraction form
    112,363,441.30/168,356,205.15 = 74,005,210.90/x
  3. Step 3: Cross multiply
    112,363,441.30x = 168,356,205.15 × 74,005,210.90
  4. Step 4: Simplify right side
    112,363,441.30x = 12,459,236,468,449,418
  5. Step 5: Solve for x
    x = 12,459,236,468,449,418/112,363,441.30
  6. Step 6: Final answer
    x = 110,883,364.95

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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.