Home / 261,015,025.12-360,210,205.29-149,527,413.05

Finding the Fourth Proportional to 261,015,025.12, 360,210,205.29 and 149,527,413.05

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Solution

The fourth proportional to 261,015,025.12, 360,210,205.29 and 149,527,413.05 is: 206,353,255.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,015,025.12 : 360,210,205.29 = 149,527,413.05 : x
  2. Step 2: Convert to fraction form
    261,015,025.12/360,210,205.29 = 149,527,413.05/x
  3. Step 3: Cross multiply
    261,015,025.12x = 360,210,205.29 × 149,527,413.05
  4. Step 4: Simplify right side
    261,015,025.12x = 53,861,300,151,223,136
  5. Step 5: Solve for x
    x = 53,861,300,151,223,136/261,015,025.12
  6. Step 6: Final answer
    x = 206,353,255.44

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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.