Home / 159,936,602.39-239,993,427.86-78,056,158.92

Finding the Fourth Proportional to 159,936,602.39, 239,993,427.86 and 78,056,158.92

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Solution

The fourth proportional to 159,936,602.39, 239,993,427.86 and 78,056,158.92 is: 117,127,442.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,936,602.39 : 239,993,427.86 = 78,056,158.92 : x
  2. Step 2: Convert to fraction form
    159,936,602.39/239,993,427.86 = 78,056,158.92/x
  3. Step 3: Cross multiply
    159,936,602.39x = 239,993,427.86 × 78,056,158.92
  4. Step 4: Simplify right side
    159,936,602.39x = 18,732,965,144,795,716
  5. Step 5: Solve for x
    x = 18,732,965,144,795,716/159,936,602.39
  6. Step 6: Final answer
    x = 117,127,442.15

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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.