Home / 102,504,906,406.08-153,701,308,066.14-81,392,971,667.94

Finding the Fourth Proportional to 102,504,906,406.08, 153,701,308,066.14 and 81,392,971,667.94

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Solution

The fourth proportional to 102,504,906,406.08, 153,701,308,066.14 and 81,392,971,667.94 is: 122,044,950,347.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,504,906,406.08 : 153,701,308,066.14 = 81,392,971,667.94 : x
  2. Step 2: Convert to fraction form
    102,504,906,406.08/153,701,308,066.14 = 81,392,971,667.94/x
  3. Step 3: Cross multiply
    102,504,906,406.08x = 153,701,308,066.14 × 81,392,971,667.94
  4. Step 4: Simplify right side
    102,504,906,406.08x = 12,510,206,212,752,652,894,208
  5. Step 5: Solve for x
    x = 12,510,206,212,752,652,894,208/102,504,906,406.08
  6. Step 6: Final answer
    x = 122,044,950,347.96

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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.