Home / 115,314,578.40-159,134,116.14-63,103,631.34

Finding the Fourth Proportional to 115,314,578.40, 159,134,116.14 and 63,103,631.34

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Solution

The fourth proportional to 115,314,578.40, 159,134,116.14 and 63,103,631.34 is: 87,083,010.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,314,578.40 : 159,134,116.14 = 63,103,631.34 : x
  2. Step 2: Convert to fraction form
    115,314,578.40/159,134,116.14 = 63,103,631.34/x
  3. Step 3: Cross multiply
    115,314,578.40x = 159,134,116.14 × 63,103,631.34
  4. Step 4: Simplify right side
    115,314,578.40x = 10,041,940,598,515,304
  5. Step 5: Solve for x
    x = 10,041,940,598,515,304/115,314,578.40
  6. Step 6: Final answer
    x = 87,083,010.13

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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.