Home / 209,953,054.30-314,929,581.45-206,551,831.90

Finding the Fourth Proportional to 209,953,054.30, 314,929,581.45 and 206,551,831.90

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Solution

The fourth proportional to 209,953,054.30, 314,929,581.45 and 206,551,831.90 is: 309,827,747.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,054.30 : 314,929,581.45 = 206,551,831.90 : x
  2. Step 2: Convert to fraction form
    209,953,054.30/314,929,581.45 = 206,551,831.90/x
  3. Step 3: Cross multiply
    209,953,054.30x = 314,929,581.45 × 206,551,831.90
  4. Step 4: Simplify right side
    209,953,054.30x = 65,049,281,967,997,760
  5. Step 5: Solve for x
    x = 65,049,281,967,997,760/209,953,054.30
  6. Step 6: Final answer
    x = 309,827,747.85

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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.