Home / 315,558,318.92-435,462,125.42-176,330,224.76

Finding the Fourth Proportional to 315,558,318.92, 435,462,125.42 and 176,330,224.76

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Solution

The fourth proportional to 315,558,318.92, 435,462,125.42 and 176,330,224.76 is: 243,331,041.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,558,318.92 : 435,462,125.42 = 176,330,224.76 : x
  2. Step 2: Convert to fraction form
    315,558,318.92/435,462,125.42 = 176,330,224.76/x
  3. Step 3: Cross multiply
    315,558,318.92x = 435,462,125.42 × 176,330,224.76
  4. Step 4: Simplify right side
    315,558,318.92x = 76,785,134,448,039,424
  5. Step 5: Solve for x
    x = 76,785,134,448,039,424/315,558,318.92
  6. Step 6: Final answer
    x = 243,331,041.67

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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.