Home / 259,859,170.86-389,837,916.82-104,425,078.74

Finding the Fourth Proportional to 259,859,170.86, 389,837,916.82 and 104,425,078.74

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Solution

The fourth proportional to 259,859,170.86, 389,837,916.82 and 104,425,078.74 is: 156,657,373.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,859,170.86 : 389,837,916.82 = 104,425,078.74 : x
  2. Step 2: Convert to fraction form
    259,859,170.86/389,837,916.82 = 104,425,078.74/x
  3. Step 3: Cross multiply
    259,859,170.86x = 389,837,916.82 × 104,425,078.74
  4. Step 4: Simplify right side
    259,859,170.86x = 40,708,855,159,766,064
  5. Step 5: Solve for x
    x = 40,708,855,159,766,064/259,859,170.86
  6. Step 6: Final answer
    x = 156,657,373.40

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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.