Home / 239,429,927.33-330,413,153.56-129,421,640.33

Finding the Fourth Proportional to 239,429,927.33, 330,413,153.56 and 129,421,640.33

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Solution

The fourth proportional to 239,429,927.33, 330,413,153.56 and 129,421,640.33 is: 178,601,784.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,429,927.33 : 330,413,153.56 = 129,421,640.33 : x
  2. Step 2: Convert to fraction form
    239,429,927.33/330,413,153.56 = 129,421,640.33/x
  3. Step 3: Cross multiply
    239,429,927.33x = 330,413,153.56 × 129,421,640.33
  4. Step 4: Simplify right side
    239,429,927.33x = 42,762,612,320,343,376
  5. Step 5: Solve for x
    x = 42,762,612,320,343,376/239,429,927.33
  6. Step 6: Final answer
    x = 178,601,784.65

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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.