Home / 115,541,372.30-159,463,443.84-71,502,554.25

Finding the Fourth Proportional to 115,541,372.30, 159,463,443.84 and 71,502,554.25

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Solution

The fourth proportional to 115,541,372.30, 159,463,443.84 and 71,502,554.25 is: 98,683,643.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,541,372.30 : 159,463,443.84 = 71,502,554.25 : x
  2. Step 2: Convert to fraction form
    115,541,372.30/159,463,443.84 = 71,502,554.25/x
  3. Step 3: Cross multiply
    115,541,372.30x = 159,463,443.84 × 71,502,554.25
  4. Step 4: Simplify right side
    115,541,372.30x = 11,402,043,544,061,428
  5. Step 5: Solve for x
    x = 11,402,043,544,061,428/115,541,372.30
  6. Step 6: Final answer
    x = 98,683,643.08

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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.