Home / 85,172,729.91-127,758,996.28-30,585,373.17

Finding the Fourth Proportional to 85,172,729.91, 127,758,996.28 and 30,585,373.17

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Solution

The fourth proportional to 85,172,729.91, 127,758,996.28 and 30,585,373.17 is: 45,878,024.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,172,729.91 : 127,758,996.28 = 30,585,373.17 : x
  2. Step 2: Convert to fraction form
    85,172,729.91/127,758,996.28 = 30,585,373.17/x
  3. Step 3: Cross multiply
    85,172,729.91x = 127,758,996.28 × 30,585,373.17
  4. Step 4: Simplify right side
    85,172,729.91x = 3,907,556,576,895,515.50
  5. Step 5: Solve for x
    x = 3,907,556,576,895,515.50/85,172,729.91
  6. Step 6: Final answer
    x = 45,878,024.35

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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.