Home / 112,213,538.40-168,278,317.20-39,402,184.80

Finding the Fourth Proportional to 112,213,538.40, 168,278,317.20 and 39,402,184.80

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Solution

The fourth proportional to 112,213,538.40, 168,278,317.20 and 39,402,184.80 is: 59,088,532.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,213,538.40 : 168,278,317.20 = 39,402,184.80 : x
  2. Step 2: Convert to fraction form
    112,213,538.40/168,278,317.20 = 39,402,184.80/x
  3. Step 3: Cross multiply
    112,213,538.40x = 168,278,317.20 × 39,402,184.80
  4. Step 4: Simplify right side
    112,213,538.40x = 6,630,533,352,147,418
  5. Step 5: Solve for x
    x = 6,630,533,352,147,418/112,213,538.40
  6. Step 6: Final answer
    x = 59,088,532.87

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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.