Home / 275,915,714.04-413,875,065.51-81,828,810.83

Finding the Fourth Proportional to 275,915,714.04, 413,875,065.51 and 81,828,810.83

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Solution

The fourth proportional to 275,915,714.04, 413,875,065.51 and 81,828,810.83 is: 122,743,659.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,915,714.04 : 413,875,065.51 = 81,828,810.83 : x
  2. Step 2: Convert to fraction form
    275,915,714.04/413,875,065.51 = 81,828,810.83/x
  3. Step 3: Cross multiply
    275,915,714.04x = 413,875,065.51 × 81,828,810.83
  4. Step 4: Simplify right side
    275,915,714.04x = 33,866,904,443,906,332
  5. Step 5: Solve for x
    x = 33,866,904,443,906,332/275,915,714.04
  6. Step 6: Final answer
    x = 122,743,659.46

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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.