Home / 159,936,599.95-239,993,424.21-78,056,156.47

Finding the Fourth Proportional to 159,936,599.95, 239,993,424.21 and 78,056,156.47

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Solution

The fourth proportional to 159,936,599.95, 239,993,424.21 and 78,056,156.47 is: 117,127,438.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,936,599.95 : 239,993,424.21 = 78,056,156.47 : x
  2. Step 2: Convert to fraction form
    159,936,599.95/239,993,424.21 = 78,056,156.47/x
  3. Step 3: Cross multiply
    159,936,599.95x = 239,993,424.21 × 78,056,156.47
  4. Step 4: Simplify right side
    159,936,599.95x = 18,732,964,271,906,848
  5. Step 5: Solve for x
    x = 18,732,964,271,906,848/159,936,599.95
  6. Step 6: Final answer
    x = 117,127,438.48

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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.