Home / 153,593,803.04-211,959,468.24-83,979,232.16

Finding the Fourth Proportional to 153,593,803.04, 211,959,468.24 and 83,979,232.16

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Solution

The fourth proportional to 153,593,803.04, 211,959,468.24 and 83,979,232.16 is: 115,891,351.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,593,803.04 : 211,959,468.24 = 83,979,232.16 : x
  2. Step 2: Convert to fraction form
    153,593,803.04/211,959,468.24 = 83,979,232.16/x
  3. Step 3: Cross multiply
    153,593,803.04x = 211,959,468.24 × 83,979,232.16
  4. Step 4: Simplify right side
    153,593,803.04x = 17,800,193,391,837,106
  5. Step 5: Solve for x
    x = 17,800,193,391,837,106/153,593,803.04
  6. Step 6: Final answer
    x = 115,891,351.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.