Home / 111,532,320.46-153,907,855.06-61,970,999.50

Finding the Fourth Proportional to 111,532,320.46, 153,907,855.06 and 61,970,999.50

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Solution

The fourth proportional to 111,532,320.46, 153,907,855.06 and 61,970,999.50 is: 85,516,230.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,532,320.46 : 153,907,855.06 = 61,970,999.50 : x
  2. Step 2: Convert to fraction form
    111,532,320.46/153,907,855.06 = 61,970,999.50/x
  3. Step 3: Cross multiply
    111,532,320.46x = 153,907,855.06 × 61,970,999.50
  4. Step 4: Simplify right side
    111,532,320.46x = 9,537,823,608,969,332
  5. Step 5: Solve for x
    x = 9,537,823,608,969,332/111,532,320.46
  6. Step 6: Final answer
    x = 85,516,230.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.