Home / 163,008,979.80-244,796,904.90-86,481,475.80

Finding the Fourth Proportional to 163,008,979.80, 244,796,904.90 and 86,481,475.80

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Solution

The fourth proportional to 163,008,979.80, 244,796,904.90 and 86,481,475.80 is: 129,872,585.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,008,979.80 : 244,796,904.90 = 86,481,475.80 : x
  2. Step 2: Convert to fraction form
    163,008,979.80/244,796,904.90 = 86,481,475.80/x
  3. Step 3: Cross multiply
    163,008,979.80x = 244,796,904.90 × 86,481,475.80
  4. Step 4: Simplify right side
    163,008,979.80x = 21,170,397,607,024,252
  5. Step 5: Solve for x
    x = 21,170,397,607,024,252/163,008,979.80
  6. Step 6: Final answer
    x = 129,872,585.14

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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.