Home / 250,521,970.78-375,660,013.95-102,942,795.25

Finding the Fourth Proportional to 250,521,970.78, 375,660,013.95 and 102,942,795.25

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Solution

The fourth proportional to 250,521,970.78, 375,660,013.95 and 102,942,795.25 is: 154,363,674.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,521,970.78 : 375,660,013.95 = 102,942,795.25 : x
  2. Step 2: Convert to fraction form
    250,521,970.78/375,660,013.95 = 102,942,795.25/x
  3. Step 3: Cross multiply
    250,521,970.78x = 375,660,013.95 × 102,942,795.25
  4. Step 4: Simplify right side
    250,521,970.78x = 38,671,491,899,666,992
  5. Step 5: Solve for x
    x = 38,671,491,899,666,992/250,521,970.78
  6. Step 6: Final answer
    x = 154,363,674.29

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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.