Home / 111,544,323.76-153,925,542.40-61,983,633.20

Finding the Fourth Proportional to 111,544,323.76, 153,925,542.40 and 61,983,633.20

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Solution

The fourth proportional to 111,544,323.76, 153,925,542.40 and 61,983,633.20 is: 85,534,288.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,544,323.76 : 153,925,542.40 = 61,983,633.20 : x
  2. Step 2: Convert to fraction form
    111,544,323.76/153,925,542.40 = 61,983,633.20/x
  3. Step 3: Cross multiply
    111,544,323.76x = 153,925,542.40 × 61,983,633.20
  4. Step 4: Simplify right side
    111,544,323.76x = 9,540,864,360,232,648
  5. Step 5: Solve for x
    x = 9,540,864,360,232,648/111,544,323.76
  6. Step 6: Final answer
    x = 85,534,288.42

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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.