Home / 119,158,349.78-178,737,261.69-31,719,886.58

Finding the Fourth Proportional to 119,158,349.78, 178,737,261.69 and 31,719,886.58

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Solution

The fourth proportional to 119,158,349.78, 178,737,261.69 and 31,719,886.58 is: 47,579,759.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,158,349.78 : 178,737,261.69 = 31,719,886.58 : x
  2. Step 2: Convert to fraction form
    119,158,349.78/178,737,261.69 = 31,719,886.58/x
  3. Step 3: Cross multiply
    119,158,349.78x = 178,737,261.69 × 31,719,886.58
  4. Step 4: Simplify right side
    119,158,349.78x = 5,669,525,668,426,579
  5. Step 5: Solve for x
    x = 5,669,525,668,426,579/119,158,349.78
  6. Step 6: Final answer
    x = 47,579,759.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.