Home / 321,705,220.71-443,917,682.51-180,544,064.70

Finding the Fourth Proportional to 321,705,220.71, 443,917,682.51 and 180,544,064.70

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Solution

The fourth proportional to 321,705,220.71, 443,917,682.51 and 180,544,064.70 is: 249,130,873.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,705,220.71 : 443,917,682.51 = 180,544,064.70 : x
  2. Step 2: Convert to fraction form
    321,705,220.71/443,917,682.51 = 180,544,064.70/x
  3. Step 3: Cross multiply
    321,705,220.71x = 443,917,682.51 × 180,544,064.70
  4. Step 4: Simplify right side
    321,705,220.71x = 80,146,702,791,656,768
  5. Step 5: Solve for x
    x = 80,146,702,791,656,768/321,705,220.71
  6. Step 6: Final answer
    x = 249,130,873.96

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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.