Home / 74,471,973.20-111,707,959.80-36,208,221.20

Finding the Fourth Proportional to 74,471,973.20, 111,707,959.80 and 36,208,221.20

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Solution

The fourth proportional to 74,471,973.20, 111,707,959.80 and 36,208,221.20 is: 54,312,331.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,471,973.20 : 111,707,959.80 = 36,208,221.20 : x
  2. Step 2: Convert to fraction form
    74,471,973.20/111,707,959.80 = 36,208,221.20/x
  3. Step 3: Cross multiply
    74,471,973.20x = 111,707,959.80 × 36,208,221.20
  4. Step 4: Simplify right side
    74,471,973.20x = 4,044,746,518,239,108
  5. Step 5: Solve for x
    x = 4,044,746,518,239,108/74,471,973.20
  6. Step 6: Final answer
    x = 54,312,331.80

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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.