Home / 145,514,609.70-218,271,914.55-99,598,107.30

Finding the Fourth Proportional to 145,514,609.70, 218,271,914.55 and 99,598,107.30

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Solution

The fourth proportional to 145,514,609.70, 218,271,914.55 and 99,598,107.30 is: 149,397,160.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,514,609.70 : 218,271,914.55 = 99,598,107.30 : x
  2. Step 2: Convert to fraction form
    145,514,609.70/218,271,914.55 = 99,598,107.30/x
  3. Step 3: Cross multiply
    145,514,609.70x = 218,271,914.55 × 99,598,107.30
  4. Step 4: Simplify right side
    145,514,609.70x = 21,739,469,565,927,332
  5. Step 5: Solve for x
    x = 21,739,469,565,927,332/145,514,609.70
  6. Step 6: Final answer
    x = 149,397,160.95

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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.