Home / 153,818,101.72-212,268,963.27-83,253,699.85

Finding the Fourth Proportional to 153,818,101.72, 212,268,963.27 and 83,253,699.85

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Solution

The fourth proportional to 153,818,101.72, 212,268,963.27 and 83,253,699.85 is: 114,890,096.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,818,101.72 : 212,268,963.27 = 83,253,699.85 : x
  2. Step 2: Convert to fraction form
    153,818,101.72/212,268,963.27 = 83,253,699.85/x
  3. Step 3: Cross multiply
    153,818,101.72x = 212,268,963.27 × 83,253,699.85
  4. Step 4: Simplify right side
    153,818,101.72x = 17,672,176,555,551,254
  5. Step 5: Solve for x
    x = 17,672,176,555,551,254/153,818,101.72
  6. Step 6: Final answer
    x = 114,890,096.54

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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.