Home / 197,360,748.12-272,359,985.58-109,256,215.80

Finding the Fourth Proportional to 197,360,748.12, 272,359,985.58 and 109,256,215.80

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Solution

The fourth proportional to 197,360,748.12, 272,359,985.58 and 109,256,215.80 is: 150,774,769.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,360,748.12 : 272,359,985.58 = 109,256,215.80 : x
  2. Step 2: Convert to fraction form
    197,360,748.12/272,359,985.58 = 109,256,215.80/x
  3. Step 3: Cross multiply
    197,360,748.12x = 272,359,985.58 × 109,256,215.80
  4. Step 4: Simplify right side
    197,360,748.12x = 29,757,021,359,813,364
  5. Step 5: Solve for x
    x = 29,757,021,359,813,364/197,360,748.12
  6. Step 6: Final answer
    x = 150,774,769.77

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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.