Home / 145,072,013.60-217,608,020.40-112,193,530.40

Finding the Fourth Proportional to 145,072,013.60, 217,608,020.40 and 112,193,530.40

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Solution

The fourth proportional to 145,072,013.60, 217,608,020.40 and 112,193,530.40 is: 168,290,295.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,072,013.60 : 217,608,020.40 = 112,193,530.40 : x
  2. Step 2: Convert to fraction form
    145,072,013.60/217,608,020.40 = 112,193,530.40/x
  3. Step 3: Cross multiply
    145,072,013.60x = 217,608,020.40 × 112,193,530.40
  4. Step 4: Simplify right side
    145,072,013.60x = 24,414,212,052,031,224
  5. Step 5: Solve for x
    x = 24,414,212,052,031,224/145,072,013.60
  6. Step 6: Final answer
    x = 168,290,295.60

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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.