Home / 105,190,970.49-157,786,456.38-28,513,998.42

Finding the Fourth Proportional to 105,190,970.49, 157,786,456.38 and 28,513,998.42

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Solution

The fourth proportional to 105,190,970.49, 157,786,456.38 and 28,513,998.42 is: 42,770,997.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,190,970.49 : 157,786,456.38 = 28,513,998.42 : x
  2. Step 2: Convert to fraction form
    105,190,970.49/157,786,456.38 = 28,513,998.42/x
  3. Step 3: Cross multiply
    105,190,970.49x = 157,786,456.38 × 28,513,998.42
  4. Step 4: Simplify right side
    105,190,970.49x = 4,499,122,767,916,719
  5. Step 5: Solve for x
    x = 4,499,122,767,916,719/105,190,970.49
  6. Step 6: Final answer
    x = 42,770,997.80

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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.