Home / 231,886,516.80-320,004,056.92-132,768,784.50

Finding the Fourth Proportional to 231,886,516.80, 320,004,056.92 and 132,768,784.50

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Solution

The fourth proportional to 231,886,516.80, 320,004,056.92 and 132,768,784.50 is: 183,221,302.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,886,516.80 : 320,004,056.92 = 132,768,784.50 : x
  2. Step 2: Convert to fraction form
    231,886,516.80/320,004,056.92 = 132,768,784.50/x
  3. Step 3: Cross multiply
    231,886,516.80x = 320,004,056.92 × 132,768,784.50
  4. Step 4: Simplify right side
    231,886,516.80x = 42,486,549,671,054,888
  5. Step 5: Solve for x
    x = 42,486,549,671,054,888/231,886,516.80
  6. Step 6: Final answer
    x = 183,221,302.63

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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.