Home / 66,803,440.10-100,205,160.15-51,668,233.70

Finding the Fourth Proportional to 66,803,440.10, 100,205,160.15 and 51,668,233.70

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Solution

The fourth proportional to 66,803,440.10, 100,205,160.15 and 51,668,233.70 is: 77,502,350.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,803,440.10 : 100,205,160.15 = 51,668,233.70 : x
  2. Step 2: Convert to fraction form
    66,803,440.10/100,205,160.15 = 51,668,233.70/x
  3. Step 3: Cross multiply
    66,803,440.10x = 100,205,160.15 × 51,668,233.70
  4. Step 4: Simplify right side
    66,803,440.10x = 5,177,423,632,576,128
  5. Step 5: Solve for x
    x = 5,177,423,632,576,128/66,803,440.10
  6. Step 6: Final answer
    x = 77,502,350.55

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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.