Home / 212,906,412.81-293,804,257.19-120,085,583.85

Finding the Fourth Proportional to 212,906,412.81, 293,804,257.19 and 120,085,583.85

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Solution

The fourth proportional to 212,906,412.81, 293,804,257.19 and 120,085,583.85 is: 165,714,387.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,906,412.81 : 293,804,257.19 = 120,085,583.85 : x
  2. Step 2: Convert to fraction form
    212,906,412.81/293,804,257.19 = 120,085,583.85/x
  3. Step 3: Cross multiply
    212,906,412.81x = 293,804,257.19 × 120,085,583.85
  4. Step 4: Simplify right side
    212,906,412.81x = 35,281,655,761,676,280
  5. Step 5: Solve for x
    x = 35,281,655,761,676,280/212,906,412.81
  6. Step 6: Final answer
    x = 165,714,387.35

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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.