Home / 247,849,803.32-371,695,829.80-81,822,395

Finding the Fourth Proportional to 247,849,803.32, 371,695,829.80 and 81,822,395

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Solution

The fourth proportional to 247,849,803.32, 371,695,829.80 and 81,822,395 is: 122,707,553.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,849,803.32 : 371,695,829.80 = 81,822,395 : x
  2. Step 2: Convert to fraction form
    247,849,803.32/371,695,829.80 = 81,822,395/x
  3. Step 3: Cross multiply
    247,849,803.32x = 371,695,829.80 × 81,822,395
  4. Step 4: Simplify right side
    247,849,803.32x = 30,413,043,005,748,372
  5. Step 5: Solve for x
    x = 30,413,043,005,748,372/247,849,803.32
  6. Step 6: Final answer
    x = 122,707,553.52

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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.