Home / 220,063,643.10-330,095,464.65-203,435,444.70

Finding the Fourth Proportional to 220,063,643.10, 330,095,464.65 and 203,435,444.70

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Solution

The fourth proportional to 220,063,643.10, 330,095,464.65 and 203,435,444.70 is: 305,153,167.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,063,643.10 : 330,095,464.65 = 203,435,444.70 : x
  2. Step 2: Convert to fraction form
    220,063,643.10/330,095,464.65 = 203,435,444.70/x
  3. Step 3: Cross multiply
    220,063,643.10x = 330,095,464.65 × 203,435,444.70
  4. Step 4: Simplify right side
    220,063,643.10x = 67,153,117,644,525,872
  5. Step 5: Solve for x
    x = 67,153,117,644,525,872/220,063,643.10
  6. Step 6: Final answer
    x = 305,153,167.05

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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.