Home / 84,986,064.30-127,479,096.45-77,900,184.30

Finding the Fourth Proportional to 84,986,064.30, 127,479,096.45 and 77,900,184.30

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Solution

The fourth proportional to 84,986,064.30, 127,479,096.45 and 77,900,184.30 is: 116,850,276.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,986,064.30 : 127,479,096.45 = 77,900,184.30 : x
  2. Step 2: Convert to fraction form
    84,986,064.30/127,479,096.45 = 77,900,184.30/x
  3. Step 3: Cross multiply
    84,986,064.30x = 127,479,096.45 × 77,900,184.30
  4. Step 4: Simplify right side
    84,986,064.30x = 9,930,645,107,852,476
  5. Step 5: Solve for x
    x = 9,930,645,107,852,476/84,986,064.30
  6. Step 6: Final answer
    x = 116,850,276.45

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1.5x scale

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.