Home / 136,818,102.75-205,554,557.90-87,730,130.51

Finding the Fourth Proportional to 136,818,102.75, 205,554,557.90 and 87,730,130.51

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Solution

The fourth proportional to 136,818,102.75, 205,554,557.90 and 87,730,130.51 is: 131,805,132.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,818,102.75 : 205,554,557.90 = 87,730,130.51 : x
  2. Step 2: Convert to fraction form
    136,818,102.75/205,554,557.90 = 87,730,130.51/x
  3. Step 3: Cross multiply
    136,818,102.75x = 205,554,557.90 × 87,730,130.51
  4. Step 4: Simplify right side
    136,818,102.75x = 18,033,328,190,025,928
  5. Step 5: Solve for x
    x = 18,033,328,190,025,928/136,818,102.75
  6. Step 6: Final answer
    x = 131,805,132.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.