Home / 55,133,744.30-82,700,616.45-47,575,472.30

Finding the Fourth Proportional to 55,133,744.30, 82,700,616.45 and 47,575,472.30

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Solution

The fourth proportional to 55,133,744.30, 82,700,616.45 and 47,575,472.30 is: 71,363,208.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,133,744.30 : 82,700,616.45 = 47,575,472.30 : x
  2. Step 2: Convert to fraction form
    55,133,744.30/82,700,616.45 = 47,575,472.30/x
  3. Step 3: Cross multiply
    55,133,744.30x = 82,700,616.45 × 47,575,472.30
  4. Step 4: Simplify right side
    55,133,744.30x = 3,934,520,887,109,899
  5. Step 5: Solve for x
    x = 3,934,520,887,109,899/55,133,744.30
  6. Step 6: Final answer
    x = 71,363,208.45

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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.