Home / 104,976,136.20-157,464,204.30-85,828,513.80

Finding the Fourth Proportional to 104,976,136.20, 157,464,204.30 and 85,828,513.80

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Solution

The fourth proportional to 104,976,136.20, 157,464,204.30 and 85,828,513.80 is: 128,742,770.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,136.20 : 157,464,204.30 = 85,828,513.80 : x
  2. Step 2: Convert to fraction form
    104,976,136.20/157,464,204.30 = 85,828,513.80/x
  3. Step 3: Cross multiply
    104,976,136.20x = 157,464,204.30 × 85,828,513.80
  4. Step 4: Simplify right side
    104,976,136.20x = 13,514,918,631,768,570
  5. Step 5: Solve for x
    x = 13,514,918,631,768,570/104,976,136.20
  6. Step 6: Final answer
    x = 128,742,770.70

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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.