Home / 225,247,859.12-310,842,045.48-122,231,411.12

Finding the Fourth Proportional to 225,247,859.12, 310,842,045.48 and 122,231,411.12

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Solution

The fourth proportional to 225,247,859.12, 310,842,045.48 and 122,231,411.12 is: 168,679,347.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,247,859.12 : 310,842,045.48 = 122,231,411.12 : x
  2. Step 2: Convert to fraction form
    225,247,859.12/310,842,045.48 = 122,231,411.12/x
  3. Step 3: Cross multiply
    225,247,859.12x = 310,842,045.48 × 122,231,411.12
  4. Step 4: Simplify right side
    225,247,859.12x = 37,994,661,854,447,624
  5. Step 5: Solve for x
    x = 37,994,661,854,447,624/225,247,859.12
  6. Step 6: Final answer
    x = 168,679,347.29

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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.