Home / 215,127,701.10-322,846,996.32-85,660,698.24

Finding the Fourth Proportional to 215,127,701.10, 322,846,996.32 and 85,660,698.24

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Solution

The fourth proportional to 215,127,701.10, 322,846,996.32 and 85,660,698.24 is: 128,552,943.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,127,701.10 : 322,846,996.32 = 85,660,698.24 : x
  2. Step 2: Convert to fraction form
    215,127,701.10/322,846,996.32 = 85,660,698.24/x
  3. Step 3: Cross multiply
    215,127,701.10x = 322,846,996.32 × 85,660,698.24
  4. Step 4: Simplify right side
    215,127,701.10x = 27,655,299,129,457,908
  5. Step 5: Solve for x
    x = 27,655,299,129,457,908/215,127,701.10
  6. Step 6: Final answer
    x = 128,552,943.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.