Home / 83,779,219.24-115,616,013.06-47,109,469.48

Finding the Fourth Proportional to 83,779,219.24, 115,616,013.06 and 47,109,469.48

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Solution

The fourth proportional to 83,779,219.24, 115,616,013.06 and 47,109,469.48 is: 65,011,456.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,779,219.24 : 115,616,013.06 = 47,109,469.48 : x
  2. Step 2: Convert to fraction form
    83,779,219.24/115,616,013.06 = 47,109,469.48/x
  3. Step 3: Cross multiply
    83,779,219.24x = 115,616,013.06 × 47,109,469.48
  4. Step 4: Simplify right side
    83,779,219.24x = 5,446,609,038,649,351
  5. Step 5: Solve for x
    x = 5,446,609,038,649,351/83,779,219.24
  6. Step 6: Final answer
    x = 65,011,456.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.