Home / 107,842,278.80-161,763,418.20-47,376,102.80

Finding the Fourth Proportional to 107,842,278.80, 161,763,418.20 and 47,376,102.80

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Solution

The fourth proportional to 107,842,278.80, 161,763,418.20 and 47,376,102.80 is: 71,064,154.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,842,278.80 : 161,763,418.20 = 47,376,102.80 : x
  2. Step 2: Convert to fraction form
    107,842,278.80/161,763,418.20 = 47,376,102.80/x
  3. Step 3: Cross multiply
    107,842,278.80x = 161,763,418.20 × 47,376,102.80
  4. Step 4: Simplify right side
    107,842,278.80x = 7,663,720,329,922,590
  5. Step 5: Solve for x
    x = 7,663,720,329,922,590/107,842,278.80
  6. Step 6: Final answer
    x = 71,064,154.20

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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.