Home / 115,482,994.53-159,360,438.60-65,921,397.36

Finding the Fourth Proportional to 115,482,994.53, 159,360,438.60 and 65,921,397.36

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Solution

The fourth proportional to 115,482,994.53, 159,360,438.60 and 65,921,397.36 is: 90,968,049.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,482,994.53 : 159,360,438.60 = 65,921,397.36 : x
  2. Step 2: Convert to fraction form
    115,482,994.53/159,360,438.60 = 65,921,397.36/x
  3. Step 3: Cross multiply
    115,482,994.53x = 159,360,438.60 × 65,921,397.36
  4. Step 4: Simplify right side
    115,482,994.53x = 10,505,262,796,527,384
  5. Step 5: Solve for x
    x = 10,505,262,796,527,384/115,482,994.53
  6. Step 6: Final answer
    x = 90,968,049.79

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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.