Home / 218,077,709.40-327,116,564.10-79,903,049.40

Finding the Fourth Proportional to 218,077,709.40, 327,116,564.10 and 79,903,049.40

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Solution

The fourth proportional to 218,077,709.40, 327,116,564.10 and 79,903,049.40 is: 119,854,574.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,077,709.40 : 327,116,564.10 = 79,903,049.40 : x
  2. Step 2: Convert to fraction form
    218,077,709.40/327,116,564.10 = 79,903,049.40/x
  3. Step 3: Cross multiply
    218,077,709.40x = 327,116,564.10 × 79,903,049.40
  4. Step 4: Simplify right side
    218,077,709.40x = 26,137,610,980,840,572
  5. Step 5: Solve for x
    x = 26,137,610,980,840,572/218,077,709.40
  6. Step 6: Final answer
    x = 119,854,574.10

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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.