Home / 209,952,199.30-314,928,298.95-133,330,216.90

Finding the Fourth Proportional to 209,952,199.30, 314,928,298.95 and 133,330,216.90

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Solution

The fourth proportional to 209,952,199.30, 314,928,298.95 and 133,330,216.90 is: 199,995,325.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,199.30 : 314,928,298.95 = 133,330,216.90 : x
  2. Step 2: Convert to fraction form
    209,952,199.30/314,928,298.95 = 133,330,216.90/x
  3. Step 3: Cross multiply
    209,952,199.30x = 314,928,298.95 × 133,330,216.90
  4. Step 4: Simplify right side
    209,952,199.30x = 41,989,458,406,951,544
  5. Step 5: Solve for x
    x = 41,989,458,406,951,544/209,952,199.30
  6. Step 6: Final answer
    x = 199,995,325.35

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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.