Home / 247,849,799.30-371,695,823.82-81,822,391

Finding the Fourth Proportional to 247,849,799.30, 371,695,823.82 and 81,822,391

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Solution

The fourth proportional to 247,849,799.30, 371,695,823.82 and 81,822,391 is: 122,707,547.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,849,799.30 : 371,695,823.82 = 81,822,391 : x
  2. Step 2: Convert to fraction form
    247,849,799.30/371,695,823.82 = 81,822,391/x
  3. Step 3: Cross multiply
    247,849,799.30x = 371,695,823.82 × 81,822,391
  4. Step 4: Simplify right side
    247,849,799.30x = 30,413,041,029,667,152
  5. Step 5: Solve for x
    x = 30,413,041,029,667,152/247,849,799.30
  6. Step 6: Final answer
    x = 122,707,547.54

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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.