Home / 51,144,149.04-76,746,489.48-18,818,751.12

Finding the Fourth Proportional to 51,144,149.04, 76,746,489.48 and 18,818,751.12

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Solution

The fourth proportional to 51,144,149.04, 76,746,489.48 and 18,818,751.12 is: 28,239,263.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,144,149.04 : 76,746,489.48 = 18,818,751.12 : x
  2. Step 2: Convert to fraction form
    51,144,149.04/76,746,489.48 = 18,818,751.12/x
  3. Step 3: Cross multiply
    51,144,149.04x = 76,746,489.48 × 18,818,751.12
  4. Step 4: Simplify right side
    51,144,149.04x = 1,444,273,084,857,818.50
  5. Step 5: Solve for x
    x = 1,444,273,084,857,818.50/51,144,149.04
  6. Step 6: Final answer
    x = 28,239,263.18

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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.