Home / 258,756,145,108.42-388,142,124,853.32-88,773,349,749.66

Finding the Fourth Proportional to 258,756,145,108.42, 388,142,124,853.32 and 88,773,349,749.66

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Solution

The fourth proportional to 258,756,145,108.42, 388,142,124,853.32 and 88,773,349,749.66 is: 133,162,737,401.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,756,145,108.42 : 388,142,124,853.32 = 88,773,349,749.66 : x
  2. Step 2: Convert to fraction form
    258,756,145,108.42/388,142,124,853.32 = 88,773,349,749.66/x
  3. Step 3: Cross multiply
    258,756,145,108.42x = 388,142,124,853.32 × 88,773,349,749.66
  4. Step 4: Simplify right side
    258,756,145,108.42x = 34,456,676,602,179,978,526,720
  5. Step 5: Solve for x
    x = 34,456,676,602,179,978,526,720/258,756,145,108.42
  6. Step 6: Final answer
    x = 133,162,737,401.82

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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.