Home / 209,932,480.81-314,897,599.90-54,486,175.29

Finding the Fourth Proportional to 209,932,480.81, 314,897,599.90 and 54,486,175.29

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Solution

The fourth proportional to 209,932,480.81, 314,897,599.90 and 54,486,175.29 is: 81,728,971.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,932,480.81 : 314,897,599.90 = 54,486,175.29 : x
  2. Step 2: Convert to fraction form
    209,932,480.81/314,897,599.90 = 54,486,175.29/x
  3. Step 3: Cross multiply
    209,932,480.81x = 314,897,599.90 × 54,486,175.29
  4. Step 4: Simplify right side
    209,932,480.81x = 17,157,565,826,551,684
  5. Step 5: Solve for x
    x = 17,157,565,826,551,684/209,932,480.81
  6. Step 6: Final answer
    x = 81,728,971.91

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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.