Home / 147,683,455.68-221,546,174.40-45,456,012.48

Finding the Fourth Proportional to 147,683,455.68, 221,546,174.40 and 45,456,012.48

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Solution

The fourth proportional to 147,683,455.68, 221,546,174.40 and 45,456,012.48 is: 68,190,479.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,683,455.68 : 221,546,174.40 = 45,456,012.48 : x
  2. Step 2: Convert to fraction form
    147,683,455.68/221,546,174.40 = 45,456,012.48/x
  3. Step 3: Cross multiply
    147,683,455.68x = 221,546,174.40 × 45,456,012.48
  4. Step 4: Simplify right side
    147,683,455.68x = 10,070,605,668,422,656
  5. Step 5: Solve for x
    x = 10,070,605,668,422,656/147,683,455.68
  6. Step 6: Final answer
    x = 68,190,479.58

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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.