Home / 358,765,234.30-538,147,851.45-86,136,001.30

Finding the Fourth Proportional to 358,765,234.30, 538,147,851.45 and 86,136,001.30

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Solution

The fourth proportional to 358,765,234.30, 538,147,851.45 and 86,136,001.30 is: 129,204,001.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,765,234.30 : 538,147,851.45 = 86,136,001.30 : x
  2. Step 2: Convert to fraction form
    358,765,234.30/538,147,851.45 = 86,136,001.30/x
  3. Step 3: Cross multiply
    358,765,234.30x = 538,147,851.45 × 86,136,001.30
  4. Step 4: Simplify right side
    358,765,234.30x = 46,353,904,032,089,408
  5. Step 5: Solve for x
    x = 46,353,904,032,089,408/358,765,234.30
  6. Step 6: Final answer
    x = 129,204,001.95

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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.