Home / 310,032,312.30-465,048,468.45-206,720,181.90

Finding the Fourth Proportional to 310,032,312.30, 465,048,468.45 and 206,720,181.90

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Solution

The fourth proportional to 310,032,312.30, 465,048,468.45 and 206,720,181.90 is: 310,080,272.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,032,312.30 : 465,048,468.45 = 206,720,181.90 : x
  2. Step 2: Convert to fraction form
    310,032,312.30/465,048,468.45 = 206,720,181.90/x
  3. Step 3: Cross multiply
    310,032,312.30x = 465,048,468.45 × 206,720,181.90
  4. Step 4: Simplify right side
    310,032,312.30x = 96,134,903,990,300,416
  5. Step 5: Solve for x
    x = 96,134,903,990,300,416/310,032,312.30
  6. Step 6: Final answer
    x = 310,080,272.85

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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.