Home / 212,365,152,077.20-318,547,728,115.80-86,527,150,874.80

Finding the Fourth Proportional to 212,365,152,077.20, 318,547,728,115.80 and 86,527,150,874.80

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Solution

The fourth proportional to 212,365,152,077.20, 318,547,728,115.80 and 86,527,150,874.80 is: 129,790,726,312.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,365,152,077.20 : 318,547,728,115.80 = 86,527,150,874.80 : x
  2. Step 2: Convert to fraction form
    212,365,152,077.20/318,547,728,115.80 = 86,527,150,874.80/x
  3. Step 3: Cross multiply
    212,365,152,077.20x = 318,547,728,115.80 × 86,527,150,874.80
  4. Step 4: Simplify right side
    212,365,152,077.20x = 27,563,027,331,500,596,002,816
  5. Step 5: Solve for x
    x = 27,563,027,331,500,596,002,816/212,365,152,077.20
  6. Step 6: Final answer
    x = 129,790,726,312.20

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1.5x scale

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.