Home / 113,888,887.20-157,164,722.28-61,677,498.96

Finding the Fourth Proportional to 113,888,887.20, 157,164,722.28 and 61,677,498.96

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Solution

The fourth proportional to 113,888,887.20, 157,164,722.28 and 61,677,498.96 is: 85,113,896.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,888,887.20 : 157,164,722.28 = 61,677,498.96 : x
  2. Step 2: Convert to fraction form
    113,888,887.20/157,164,722.28 = 61,677,498.96/x
  3. Step 3: Cross multiply
    113,888,887.20x = 157,164,722.28 × 61,677,498.96
  4. Step 4: Simplify right side
    113,888,887.20x = 9,693,526,994,973,390
  5. Step 5: Solve for x
    x = 9,693,526,994,973,390/113,888,887.20
  6. Step 6: Final answer
    x = 85,113,896.83

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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.