Home / 209,932,479.81-314,897,598.41-54,486,174.29

Finding the Fourth Proportional to 209,932,479.81, 314,897,598.41 and 54,486,174.29

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Solution

The fourth proportional to 209,932,479.81, 314,897,598.41 and 54,486,174.29 is: 81,728,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,932,479.81 : 314,897,598.41 = 54,486,174.29 : x
  2. Step 2: Convert to fraction form
    209,932,479.81/314,897,598.41 = 54,486,174.29/x
  3. Step 3: Cross multiply
    209,932,479.81x = 314,897,598.41 × 54,486,174.29
  4. Step 4: Simplify right side
    209,932,479.81x = 17,157,565,428,622,766
  5. Step 5: Solve for x
    x = 17,157,565,428,622,766/209,932,479.81
  6. Step 6: Final answer
    x = 81,728,970.40

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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.