Home / 165,913,941.12-228,897,380.16-103,926,364.80

Finding the Fourth Proportional to 165,913,941.12, 228,897,380.16 and 103,926,364.80

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Solution

The fourth proportional to 165,913,941.12, 228,897,380.16 and 103,926,364.80 is: 143,378,383.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,913,941.12 : 228,897,380.16 = 103,926,364.80 : x
  2. Step 2: Convert to fraction form
    165,913,941.12/228,897,380.16 = 103,926,364.80/x
  3. Step 3: Cross multiply
    165,913,941.12x = 228,897,380.16 × 103,926,364.80
  4. Step 4: Simplify right side
    165,913,941.12x = 23,788,472,632,272,440
  5. Step 5: Solve for x
    x = 23,788,472,632,272,440/165,913,941.12
  6. Step 6: Final answer
    x = 143,378,383.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.