Home / 358,765,233.30-538,147,849.95-86,136,000.30

Finding the Fourth Proportional to 358,765,233.30, 538,147,849.95 and 86,136,000.30

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Solution

The fourth proportional to 358,765,233.30, 538,147,849.95 and 86,136,000.30 is: 129,204,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,765,233.30 : 538,147,849.95 = 86,136,000.30 : x
  2. Step 2: Convert to fraction form
    358,765,233.30/538,147,849.95 = 86,136,000.30/x
  3. Step 3: Cross multiply
    358,765,233.30x = 538,147,849.95 × 86,136,000.30
  4. Step 4: Simplify right side
    358,765,233.30x = 46,353,903,364,737,560
  5. Step 5: Solve for x
    x = 46,353,903,364,737,560/358,765,233.30
  6. Step 6: Final answer
    x = 129,204,000.45

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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.