Home / 111,186,711.56-153,446,854.62-61,642,632.20

Finding the Fourth Proportional to 111,186,711.56, 153,446,854.62 and 61,642,632.20

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Solution

The fourth proportional to 111,186,711.56, 153,446,854.62 and 61,642,632.20 is: 85,071,928.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,186,711.56 : 153,446,854.62 = 61,642,632.20 : x
  2. Step 2: Convert to fraction form
    111,186,711.56/153,446,854.62 = 61,642,632.20/x
  3. Step 3: Cross multiply
    111,186,711.56x = 153,446,854.62 × 61,642,632.20
  4. Step 4: Simplify right side
    111,186,711.56x = 9,458,868,021,587,532
  5. Step 5: Solve for x
    x = 9,458,868,021,587,532/111,186,711.56
  6. Step 6: Final answer
    x = 85,071,928.91

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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.