Home / 57,387,128-85,714,951.86-51,913,802.48

Finding the Fourth Proportional to 57,387,128, 85,714,951.86 and 51,913,802.48

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Solution

The fourth proportional to 57,387,128, 85,714,951.86 and 51,913,802.48 is: 77,539,846.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,387,128 : 85,714,951.86 = 51,913,802.48 : x
  2. Step 2: Convert to fraction form
    57,387,128/85,714,951.86 = 51,913,802.48/x
  3. Step 3: Cross multiply
    57,387,128x = 85,714,951.86 × 51,913,802.48
  4. Step 4: Simplify right side
    57,387,128x = 4,449,789,080,442,748.50
  5. Step 5: Solve for x
    x = 4,449,789,080,442,748.50/57,387,128
  6. Step 6: Final answer
    x = 77,539,846.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.