Home / 112,293,568.90-168,156,918.15-73,746,381.70

Finding the Fourth Proportional to 112,293,568.90, 168,156,918.15 and 73,746,381.70

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Solution

The fourth proportional to 112,293,568.90, 168,156,918.15 and 73,746,381.70 is: 110,433,432.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,293,568.90 : 168,156,918.15 = 73,746,381.70 : x
  2. Step 2: Convert to fraction form
    112,293,568.90/168,156,918.15 = 73,746,381.70/x
  3. Step 3: Cross multiply
    112,293,568.90x = 168,156,918.15 × 73,746,381.70
  4. Step 4: Simplify right side
    112,293,568.90x = 12,400,964,271,385,558
  5. Step 5: Solve for x
    x = 12,400,964,271,385,558/112,293,568.90
  6. Step 6: Final answer
    x = 110,433,432.59

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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.