Home / 89,724,340.80-134,586,511.20-29,146,190.40

Finding the Fourth Proportional to 89,724,340.80, 134,586,511.20 and 29,146,190.40

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Solution

The fourth proportional to 89,724,340.80, 134,586,511.20 and 29,146,190.40 is: 43,719,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,724,340.80 : 134,586,511.20 = 29,146,190.40 : x
  2. Step 2: Convert to fraction form
    89,724,340.80/134,586,511.20 = 29,146,190.40/x
  3. Step 3: Cross multiply
    89,724,340.80x = 134,586,511.20 × 29,146,190.40
  4. Step 4: Simplify right side
    89,724,340.80x = 3,922,684,080,706,932
  5. Step 5: Solve for x
    x = 3,922,684,080,706,932/89,724,340.80
  6. Step 6: Final answer
    x = 43,719,285.60

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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.