Home / 112,213,382.40-168,278,083.20-39,402,028.80

Finding the Fourth Proportional to 112,213,382.40, 168,278,083.20 and 39,402,028.80

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Solution

The fourth proportional to 112,213,382.40, 168,278,083.20 and 39,402,028.80 is: 59,088,298.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,213,382.40 : 168,278,083.20 = 39,402,028.80 : x
  2. Step 2: Convert to fraction form
    112,213,382.40/168,278,083.20 = 39,402,028.80/x
  3. Step 3: Cross multiply
    112,213,382.40x = 168,278,083.20 × 39,402,028.80
  4. Step 4: Simplify right side
    112,213,382.40x = 6,630,497,880,655,195
  5. Step 5: Solve for x
    x = 6,630,497,880,655,195/112,213,382.40
  6. Step 6: Final answer
    x = 59,088,298.91

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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.