Home / 314,929,360.80-472,394,041.20-84,890,203.20

Finding the Fourth Proportional to 314,929,360.80, 472,394,041.20 and 84,890,203.20

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Solution

The fourth proportional to 314,929,360.80, 472,394,041.20 and 84,890,203.20 is: 127,335,304.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,929,360.80 : 472,394,041.20 = 84,890,203.20 : x
  2. Step 2: Convert to fraction form
    314,929,360.80/472,394,041.20 = 84,890,203.20/x
  3. Step 3: Cross multiply
    314,929,360.80x = 472,394,041.20 × 84,890,203.20
  4. Step 4: Simplify right side
    314,929,360.80x = 40,101,626,147,937,176
  5. Step 5: Solve for x
    x = 40,101,626,147,937,176/314,929,360.80
  6. Step 6: Final answer
    x = 127,335,304.80

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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.