Home / 209,952,431.60-314,928,647.40-158,934,095.60

Finding the Fourth Proportional to 209,952,431.60, 314,928,647.40 and 158,934,095.60

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Solution

The fourth proportional to 209,952,431.60, 314,928,647.40 and 158,934,095.60 is: 238,401,143.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,431.60 : 314,928,647.40 = 158,934,095.60 : x
  2. Step 2: Convert to fraction form
    209,952,431.60/314,928,647.40 = 158,934,095.60/x
  3. Step 3: Cross multiply
    209,952,431.60x = 314,928,647.40 × 158,934,095.60
  4. Step 4: Simplify right side
    209,952,431.60x = 50,052,899,753,050,288
  5. Step 5: Solve for x
    x = 50,052,899,753,050,288/209,952,431.60
  6. Step 6: Final answer
    x = 238,401,143.40

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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.