Home / 127,626,643.86-191,446,754.25-40,194,998.16

Finding the Fourth Proportional to 127,626,643.86, 191,446,754.25 and 40,194,998.16

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Solution

The fourth proportional to 127,626,643.86, 191,446,754.25 and 40,194,998.16 is: 60,294,635.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,626,643.86 : 191,446,754.25 = 40,194,998.16 : x
  2. Step 2: Convert to fraction form
    127,626,643.86/191,446,754.25 = 40,194,998.16/x
  3. Step 3: Cross multiply
    127,626,643.86x = 191,446,754.25 × 40,194,998.16
  4. Step 4: Simplify right side
    127,626,643.86x = 7,695,201,934,816,721
  5. Step 5: Solve for x
    x = 7,695,201,934,816,721/127,626,643.86
  6. Step 6: Final answer
    x = 60,294,635.21

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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.