Home / 56,972,090.40-78,543,398.16-36,053,717.28

Finding the Fourth Proportional to 56,972,090.40, 78,543,398.16 and 36,053,717.28

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Solution

The fourth proportional to 56,972,090.40, 78,543,398.16 and 36,053,717.28 is: 49,704,714.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,972,090.40 : 78,543,398.16 = 36,053,717.28 : x
  2. Step 2: Convert to fraction form
    56,972,090.40/78,543,398.16 = 36,053,717.28/x
  3. Step 3: Cross multiply
    56,972,090.40x = 78,543,398.16 × 36,053,717.28
  4. Step 4: Simplify right side
    56,972,090.40x = 2,831,781,471,471,112
  5. Step 5: Solve for x
    x = 2,831,781,471,471,112/56,972,090.40
  6. Step 6: Final answer
    x = 49,704,714.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.