Home / 285,411,490.08-428,118,033.24-88,703,667.03

Finding the Fourth Proportional to 285,411,490.08, 428,118,033.24 and 88,703,667.03

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Solution

The fourth proportional to 285,411,490.08, 428,118,033.24 and 88,703,667.03 is: 133,055,748.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,411,490.08 : 428,118,033.24 = 88,703,667.03 : x
  2. Step 2: Convert to fraction form
    285,411,490.08/428,118,033.24 = 88,703,667.03/x
  3. Step 3: Cross multiply
    285,411,490.08x = 428,118,033.24 × 88,703,667.03
  4. Step 4: Simplify right side
    285,411,490.08x = 37,975,639,470,059,432
  5. Step 5: Solve for x
    x = 37,975,639,470,059,432/285,411,490.08
  6. Step 6: Final answer
    x = 133,055,748.59

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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.