Home / 102,215,255.28-141,035,495.40-65,032,108.08

Finding the Fourth Proportional to 102,215,255.28, 141,035,495.40 and 65,032,108.08

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Solution

The fourth proportional to 102,215,255.28, 141,035,495.40 and 65,032,108.08 is: 89,730,594.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,215,255.28 : 141,035,495.40 = 65,032,108.08 : x
  2. Step 2: Convert to fraction form
    102,215,255.28/141,035,495.40 = 65,032,108.08/x
  3. Step 3: Cross multiply
    102,215,255.28x = 141,035,495.40 × 65,032,108.08
  4. Step 4: Simplify right side
    102,215,255.28x = 9,171,835,579,969,142
  5. Step 5: Solve for x
    x = 9,171,835,579,969,142/102,215,255.28
  6. Step 6: Final answer
    x = 89,730,594.08

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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.