Home / 185,343,116.88-278,031,013.42-68,759,823.36

Finding the Fourth Proportional to 185,343,116.88, 278,031,013.42 and 68,759,823.36

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Solution

The fourth proportional to 185,343,116.88, 278,031,013.42 and 68,759,823.36 is: 103,145,796.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,343,116.88 : 278,031,013.42 = 68,759,823.36 : x
  2. Step 2: Convert to fraction form
    185,343,116.88/278,031,013.42 = 68,759,823.36/x
  3. Step 3: Cross multiply
    185,343,116.88x = 278,031,013.42 × 68,759,823.36
  4. Step 4: Simplify right side
    185,343,116.88x = 19,117,363,371,360,992
  5. Step 5: Solve for x
    x = 19,117,363,371,360,992/185,343,116.88
  6. Step 6: Final answer
    x = 103,145,796.26

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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.