Home / 82,714,743.90-124,076,781.45-25,208,891.10

Finding the Fourth Proportional to 82,714,743.90, 124,076,781.45 and 25,208,891.10

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Solution

The fourth proportional to 82,714,743.90, 124,076,781.45 and 25,208,891.10 is: 37,814,758.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,714,743.90 : 124,076,781.45 = 25,208,891.10 : x
  2. Step 2: Convert to fraction form
    82,714,743.90/124,076,781.45 = 25,208,891.10/x
  3. Step 3: Cross multiply
    82,714,743.90x = 124,076,781.45 × 25,208,891.10
  4. Step 4: Simplify right side
    82,714,743.90x = 3,127,838,071,611,550.50
  5. Step 5: Solve for x
    x = 3,127,838,071,611,550.50/82,714,743.90
  6. Step 6: Final answer
    x = 37,814,758.58

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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.