Home / 321,025,701.60-481,538,552.40-239,276,095.20

Finding the Fourth Proportional to 321,025,701.60, 481,538,552.40 and 239,276,095.20

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Solution

The fourth proportional to 321,025,701.60, 481,538,552.40 and 239,276,095.20 is: 358,914,142.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,025,701.60 : 481,538,552.40 = 239,276,095.20 : x
  2. Step 2: Convert to fraction form
    321,025,701.60/481,538,552.40 = 239,276,095.20/x
  3. Step 3: Cross multiply
    321,025,701.60x = 481,538,552.40 × 239,276,095.20
  4. Step 4: Simplify right side
    321,025,701.60x = 115,220,664,506,532,576
  5. Step 5: Solve for x
    x = 115,220,664,506,532,576/321,025,701.60
  6. Step 6: Final answer
    x = 358,914,142.80

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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.