Home / 206,471,501.42-284,938,188.92-112,381,099.79

Finding the Fourth Proportional to 206,471,501.42, 284,938,188.92 and 112,381,099.79

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Solution

The fourth proportional to 206,471,501.42, 284,938,188.92 and 112,381,099.79 is: 155,090,009.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,471,501.42 : 284,938,188.92 = 112,381,099.79 : x
  2. Step 2: Convert to fraction form
    206,471,501.42/284,938,188.92 = 112,381,099.79/x
  3. Step 3: Cross multiply
    206,471,501.42x = 284,938,188.92 × 112,381,099.79
  4. Step 4: Simplify right side
    206,471,501.42x = 32,021,667,041,435,224
  5. Step 5: Solve for x
    x = 32,021,667,041,435,224/206,471,501.42
  6. Step 6: Final answer
    x = 155,090,009.14

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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.