Home / 313,619,786.12-432,849,476.84-181,533,611.10

Finding the Fourth Proportional to 313,619,786.12, 432,849,476.84 and 181,533,611.10

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Solution

The fourth proportional to 313,619,786.12, 432,849,476.84 and 181,533,611.10 is: 250,547,739.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,619,786.12 : 432,849,476.84 = 181,533,611.10 : x
  2. Step 2: Convert to fraction form
    313,619,786.12/432,849,476.84 = 181,533,611.10/x
  3. Step 3: Cross multiply
    313,619,786.12x = 432,849,476.84 × 181,533,611.10
  4. Step 4: Simplify right side
    313,619,786.12x = 78,576,728,594,226,528
  5. Step 5: Solve for x
    x = 78,576,728,594,226,528/313,619,786.12
  6. Step 6: Final answer
    x = 250,547,739.88

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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.