Home / 229,542,257,390.38-316,882,997,397.18-142,762,798,575.38

Finding the Fourth Proportional to 229,542,257,390.38, 316,882,997,397.18 and 142,762,798,575.38

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Solution

The fourth proportional to 229,542,257,390.38, 316,882,997,397.18 and 142,762,798,575.38 is: 197,083,988,123.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,542,257,390.38 : 316,882,997,397.18 = 142,762,798,575.38 : x
  2. Step 2: Convert to fraction form
    229,542,257,390.38/316,882,997,397.18 = 142,762,798,575.38/x
  3. Step 3: Cross multiply
    229,542,257,390.38x = 316,882,997,397.18 × 142,762,798,575.38
  4. Step 4: Simplify right side
    229,542,257,390.38x = 45,239,103,529,376,272,089,088
  5. Step 5: Solve for x
    x = 45,239,103,529,376,272,089,088/229,542,257,390.38
  6. Step 6: Final answer
    x = 197,083,988,123.54

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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.