Home / 124,138,090.50-171,301,719.16-73,899,644.24

Finding the Fourth Proportional to 124,138,090.50, 171,301,719.16 and 73,899,644.24

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Solution

The fourth proportional to 124,138,090.50, 171,301,719.16 and 73,899,644.24 is: 101,976,243.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,138,090.50 : 171,301,719.16 = 73,899,644.24 : x
  2. Step 2: Convert to fraction form
    124,138,090.50/171,301,719.16 = 73,899,644.24/x
  3. Step 3: Cross multiply
    124,138,090.50x = 171,301,719.16 × 73,899,644.24
  4. Step 4: Simplify right side
    124,138,090.50x = 12,659,136,103,624,390
  5. Step 5: Solve for x
    x = 12,659,136,103,624,390/124,138,090.50
  6. Step 6: Final answer
    x = 101,976,243.17

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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.