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Finding the Fourth Proportional to 58,502,602.80, 87,753,904.20 and 28,269,514.80

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Solution

The fourth proportional to 58,502,602.80, 87,753,904.20 and 28,269,514.80 is: 42,404,272.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,502,602.80 : 87,753,904.20 = 28,269,514.80 : x
  2. Step 2: Convert to fraction form
    58,502,602.80/87,753,904.20 = 28,269,514.80/x
  3. Step 3: Cross multiply
    58,502,602.80x = 87,753,904.20 × 28,269,514.80
  4. Step 4: Simplify right side
    58,502,602.80x = 2,480,760,293,539,682.50
  5. Step 5: Solve for x
    x = 2,480,760,293,539,682.50/58,502,602.80
  6. Step 6: Final answer
    x = 42,404,272.20

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Similar ratio
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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.