Home / 111,154,713.81-153,394,405.70-61,595,915.33

Finding the Fourth Proportional to 111,154,713.81, 153,394,405.70 and 61,595,915.33

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Solution

The fourth proportional to 111,154,713.81, 153,394,405.70 and 61,595,915.33 is: 85,002,862.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,154,713.81 : 153,394,405.70 = 61,595,915.33 : x
  2. Step 2: Convert to fraction form
    111,154,713.81/153,394,405.70 = 61,595,915.33/x
  3. Step 3: Cross multiply
    111,154,713.81x = 153,394,405.70 × 61,595,915.33
  4. Step 4: Simplify right side
    111,154,713.81x = 9,448,468,824,517,918
  5. Step 5: Solve for x
    x = 9,448,468,824,517,918/111,154,713.81
  6. Step 6: Final answer
    x = 85,002,862.23

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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.