Home / 315,558,519.12-435,462,402.18-176,330,424.96

Finding the Fourth Proportional to 315,558,519.12, 435,462,402.18 and 176,330,424.96

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Solution

The fourth proportional to 315,558,519.12, 435,462,402.18 and 176,330,424.96 is: 243,331,318.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,558,519.12 : 435,462,402.18 = 176,330,424.96 : x
  2. Step 2: Convert to fraction form
    315,558,519.12/435,462,402.18 = 176,330,424.96/x
  3. Step 3: Cross multiply
    315,558,519.12x = 435,462,402.18 × 176,330,424.96
  4. Step 4: Simplify right side
    315,558,519.12x = 76,785,270,430,501,840
  5. Step 5: Solve for x
    x = 76,785,270,430,501,840/315,558,519.12
  6. Step 6: Final answer
    x = 243,331,318.21

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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.