Home / 100,282,623.29-138,339,088.40-65,495,676.41

Finding the Fourth Proportional to 100,282,623.29, 138,339,088.40 and 65,495,676.41

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Solution

The fourth proportional to 100,282,623.29, 138,339,088.40 and 65,495,676.41 is: 90,350,769.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,282,623.29 : 138,339,088.40 = 65,495,676.41 : x
  2. Step 2: Convert to fraction form
    100,282,623.29/138,339,088.40 = 65,495,676.41/x
  3. Step 3: Cross multiply
    100,282,623.29x = 138,339,088.40 × 65,495,676.41
  4. Step 4: Simplify right side
    100,282,623.29x = 9,060,612,167,681,612
  5. Step 5: Solve for x
    x = 9,060,612,167,681,612/100,282,623.29
  6. Step 6: Final answer
    x = 90,350,769.36

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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.