Home / 127,598,207.40-191,397,311.10-120,879,743.40

Finding the Fourth Proportional to 127,598,207.40, 191,397,311.10 and 120,879,743.40

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Solution

The fourth proportional to 127,598,207.40, 191,397,311.10 and 120,879,743.40 is: 181,319,615.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,598,207.40 : 191,397,311.10 = 120,879,743.40 : x
  2. Step 2: Convert to fraction form
    127,598,207.40/191,397,311.10 = 120,879,743.40/x
  3. Step 3: Cross multiply
    127,598,207.40x = 191,397,311.10 × 120,879,743.40
  4. Step 4: Simplify right side
    127,598,207.40x = 23,136,057,853,217,972
  5. Step 5: Solve for x
    x = 23,136,057,853,217,972/127,598,207.40
  6. Step 6: Final answer
    x = 181,319,615.10

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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.