Home / 73,732,809.70-110,613,976.80-21,917,312.20

Finding the Fourth Proportional to 73,732,809.70, 110,613,976.80 and 21,917,312.20

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Solution

The fourth proportional to 73,732,809.70, 110,613,976.80 and 21,917,312.20 is: 32,880,356.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,732,809.70 : 110,613,976.80 = 21,917,312.20 : x
  2. Step 2: Convert to fraction form
    73,732,809.70/110,613,976.80 = 21,917,312.20/x
  3. Step 3: Cross multiply
    73,732,809.70x = 110,613,976.80 × 21,917,312.20
  4. Step 4: Simplify right side
    73,732,809.70x = 2,424,361,063,209,157
  5. Step 5: Solve for x
    x = 2,424,361,063,209,157/73,732,809.70
  6. Step 6: Final answer
    x = 32,880,356.43

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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.