Home / 194,241,808.80-291,320,722.80-85,066,768.80

Finding the Fourth Proportional to 194,241,808.80, 291,320,722.80 and 85,066,768.80

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Solution

The fourth proportional to 194,241,808.80, 291,320,722.80 and 85,066,768.80 is: 127,581,763.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,241,808.80 : 291,320,722.80 = 85,066,768.80 : x
  2. Step 2: Convert to fraction form
    194,241,808.80/291,320,722.80 = 85,066,768.80/x
  3. Step 3: Cross multiply
    194,241,808.80x = 291,320,722.80 × 85,066,768.80
  4. Step 4: Simplify right side
    194,241,808.80x = 24,781,712,573,076,488
  5. Step 5: Solve for x
    x = 24,781,712,573,076,488/194,241,808.80
  6. Step 6: Final answer
    x = 127,581,763.81

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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.