Home / 76,773,894.30-115,160,841.43-25,655,913.11

Finding the Fourth Proportional to 76,773,894.30, 115,160,841.43 and 25,655,913.11

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Solution

The fourth proportional to 76,773,894.30, 115,160,841.43 and 25,655,913.11 is: 38,483,869.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,773,894.30 : 115,160,841.43 = 25,655,913.11 : x
  2. Step 2: Convert to fraction form
    76,773,894.30/115,160,841.43 = 25,655,913.11/x
  3. Step 3: Cross multiply
    76,773,894.30x = 115,160,841.43 × 25,655,913.11
  4. Step 4: Simplify right side
    76,773,894.30x = 2,954,556,541,402,568.50
  5. Step 5: Solve for x
    x = 2,954,556,541,402,568.50/76,773,894.30
  6. Step 6: Final answer
    x = 38,483,869.66

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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.