Home / 115,232,393.41-159,011,089.80-64,993,843.53

Finding the Fourth Proportional to 115,232,393.41, 159,011,089.80 and 64,993,843.53

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Solution

The fourth proportional to 115,232,393.41, 159,011,089.80 and 64,993,843.53 is: 89,686,082.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,232,393.41 : 159,011,089.80 = 64,993,843.53 : x
  2. Step 2: Convert to fraction form
    115,232,393.41/159,011,089.80 = 64,993,843.53/x
  3. Step 3: Cross multiply
    115,232,393.41x = 159,011,089.80 × 64,993,843.53
  4. Step 4: Simplify right side
    115,232,393.41x = 10,334,741,889,200,924
  5. Step 5: Solve for x
    x = 10,334,741,889,200,924/115,232,393.41
  6. Step 6: Final answer
    x = 89,686,082.04

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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.