Home / 111,828,498.95-154,321,857.06-61,591,752.86

Finding the Fourth Proportional to 111,828,498.95, 154,321,857.06 and 61,591,752.86

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Solution

The fourth proportional to 111,828,498.95, 154,321,857.06 and 61,591,752.86 is: 84,995,808.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,828,498.95 : 154,321,857.06 = 61,591,752.86 : x
  2. Step 2: Convert to fraction form
    111,828,498.95/154,321,857.06 = 61,591,752.86/x
  3. Step 3: Cross multiply
    111,828,498.95x = 154,321,857.06 × 61,591,752.86
  4. Step 4: Simplify right side
    111,828,498.95x = 9,504,953,681,148,010
  5. Step 5: Solve for x
    x = 9,504,953,681,148,010/111,828,498.95
  6. Step 6: Final answer
    x = 84,995,808.49

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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.