Home / 150,169,651.08-207,234,120.18-81,492,019.08

Finding the Fourth Proportional to 150,169,651.08, 207,234,120.18 and 81,492,019.08

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Solution

The fourth proportional to 150,169,651.08, 207,234,120.18 and 81,492,019.08 is: 112,458,987.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,169,651.08 : 207,234,120.18 = 81,492,019.08 : x
  2. Step 2: Convert to fraction form
    150,169,651.08/207,234,120.18 = 81,492,019.08/x
  3. Step 3: Cross multiply
    150,169,651.08x = 207,234,120.18 × 81,492,019.08
  4. Step 4: Simplify right side
    150,169,651.08x = 16,887,926,875,735,574
  5. Step 5: Solve for x
    x = 16,887,926,875,735,574/150,169,651.08
  6. Step 6: Final answer
    x = 112,458,987.25

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1.5x scale

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.