Home / 314,931,013.80-472,396,520.70-161,592,570.60

Finding the Fourth Proportional to 314,931,013.80, 472,396,520.70 and 161,592,570.60

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Solution

The fourth proportional to 314,931,013.80, 472,396,520.70 and 161,592,570.60 is: 242,388,855.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,931,013.80 : 472,396,520.70 = 161,592,570.60 : x
  2. Step 2: Convert to fraction form
    314,931,013.80/472,396,520.70 = 161,592,570.60/x
  3. Step 3: Cross multiply
    314,931,013.80x = 472,396,520.70 × 161,592,570.60
  4. Step 4: Simplify right side
    314,931,013.80x = 76,335,768,122,409,104
  5. Step 5: Solve for x
    x = 76,335,768,122,409,104/314,931,013.80
  6. Step 6: Final answer
    x = 242,388,855.90

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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.