Home / 314,930,607.20-472,395,910.80-142,413,048.80

Finding the Fourth Proportional to 314,930,607.20, 472,395,910.80 and 142,413,048.80

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Solution

The fourth proportional to 314,930,607.20, 472,395,910.80 and 142,413,048.80 is: 213,619,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,930,607.20 : 472,395,910.80 = 142,413,048.80 : x
  2. Step 2: Convert to fraction form
    314,930,607.20/472,395,910.80 = 142,413,048.80/x
  3. Step 3: Cross multiply
    314,930,607.20x = 472,395,910.80 × 142,413,048.80
  4. Step 4: Simplify right side
    314,930,607.20x = 67,275,341,897,680,856
  5. Step 5: Solve for x
    x = 67,275,341,897,680,856/314,930,607.20
  6. Step 6: Final answer
    x = 213,619,573.20

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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.