Home / 111,385,112.85-153,709,074.09-61,822,597.14

Finding the Fourth Proportional to 111,385,112.85, 153,709,074.09 and 61,822,597.14

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Solution

The fourth proportional to 111,385,112.85, 153,709,074.09 and 61,822,597.14 is: 85,313,862.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,385,112.85 : 153,709,074.09 = 61,822,597.14 : x
  2. Step 2: Convert to fraction form
    111,385,112.85/153,709,074.09 = 61,822,597.14/x
  3. Step 3: Cross multiply
    111,385,112.85x = 153,709,074.09 × 61,822,597.14
  4. Step 4: Simplify right side
    111,385,112.85x = 9,502,694,164,228,482
  5. Step 5: Solve for x
    x = 9,502,694,164,228,482/111,385,112.85
  6. Step 6: Final answer
    x = 85,313,862.16

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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.