Home / 312,919,494.48-469,367,659.32-126,254,165.04

Finding the Fourth Proportional to 312,919,494.48, 469,367,659.32 and 126,254,165.04

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Solution

The fourth proportional to 312,919,494.48, 469,367,659.32 and 126,254,165.04 is: 189,376,574.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,919,494.48 : 469,367,659.32 = 126,254,165.04 : x
  2. Step 2: Convert to fraction form
    312,919,494.48/469,367,659.32 = 126,254,165.04/x
  3. Step 3: Cross multiply
    312,919,494.48x = 469,367,659.32 × 126,254,165.04
  4. Step 4: Simplify right side
    312,919,494.48x = 59,259,621,924,225,776
  5. Step 5: Solve for x
    x = 59,259,621,924,225,776/312,919,494.48
  6. Step 6: Final answer
    x = 189,376,574.39

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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.