Home / 51,144,053.25-76,746,346.95-18,818,656.20

Finding the Fourth Proportional to 51,144,053.25, 76,746,346.95 and 18,818,656.20

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Solution

The fourth proportional to 51,144,053.25, 76,746,346.95 and 18,818,656.20 is: 28,239,121.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,144,053.25 : 76,746,346.95 = 18,818,656.20 : x
  2. Step 2: Convert to fraction form
    51,144,053.25/76,746,346.95 = 18,818,656.20/x
  3. Step 3: Cross multiply
    51,144,053.25x = 76,746,346.95 × 18,818,656.20
  4. Step 4: Simplify right side
    51,144,053.25x = 1,444,263,117,857,968.50
  5. Step 5: Solve for x
    x = 1,444,263,117,857,968.50/51,144,053.25
  6. Step 6: Final answer
    x = 28,239,121.19

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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.