Home / 112,608,296.20-155,415,763.52-63,051,863.51

Finding the Fourth Proportional to 112,608,296.20, 155,415,763.52 and 63,051,863.51

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Solution

The fourth proportional to 112,608,296.20, 155,415,763.52 and 63,051,863.51 is: 87,020,706.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,608,296.20 : 155,415,763.52 = 63,051,863.51 : x
  2. Step 2: Convert to fraction form
    112,608,296.20/155,415,763.52 = 63,051,863.51/x
  3. Step 3: Cross multiply
    112,608,296.20x = 155,415,763.52 × 63,051,863.51
  4. Step 4: Simplify right side
    112,608,296.20x = 9,799,253,508,492,394
  5. Step 5: Solve for x
    x = 9,799,253,508,492,394/112,608,296.20
  6. Step 6: Final answer
    x = 87,020,706.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.