Home / 258,756,145,106.42-388,142,124,850.32-88,773,349,747.66

Finding the Fourth Proportional to 258,756,145,106.42, 388,142,124,850.32 and 88,773,349,747.66

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Solution

The fourth proportional to 258,756,145,106.42, 388,142,124,850.32 and 88,773,349,747.66 is: 133,162,737,398.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,756,145,106.42 : 388,142,124,850.32 = 88,773,349,747.66 : x
  2. Step 2: Convert to fraction form
    258,756,145,106.42/388,142,124,850.32 = 88,773,349,747.66/x
  3. Step 3: Cross multiply
    258,756,145,106.42x = 388,142,124,850.32 × 88,773,349,747.66
  4. Step 4: Simplify right side
    258,756,145,106.42x = 34,456,676,601,138,922,913,792
  5. Step 5: Solve for x
    x = 34,456,676,601,138,922,913,792/258,756,145,106.42
  6. Step 6: Final answer
    x = 133,162,737,398.83

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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.