Home / 104,946,041.20-157,419,061.80-100,694,513.20

Finding the Fourth Proportional to 104,946,041.20, 157,419,061.80 and 100,694,513.20

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Solution

The fourth proportional to 104,946,041.20, 157,419,061.80 and 100,694,513.20 is: 151,041,769.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,946,041.20 : 157,419,061.80 = 100,694,513.20 : x
  2. Step 2: Convert to fraction form
    104,946,041.20/157,419,061.80 = 100,694,513.20/x
  3. Step 3: Cross multiply
    104,946,041.20x = 157,419,061.80 × 100,694,513.20
  4. Step 4: Simplify right side
    104,946,041.20x = 15,851,235,796,351,718
  5. Step 5: Solve for x
    x = 15,851,235,796,351,718/104,946,041.20
  6. Step 6: Final answer
    x = 151,041,769.80

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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.