Home / 261,015,066.96-360,210,263.16-149,527,454.94

Finding the Fourth Proportional to 261,015,066.96, 360,210,263.16 and 149,527,454.94

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Solution

The fourth proportional to 261,015,066.96, 360,210,263.16 and 149,527,454.94 is: 206,353,313.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,015,066.96 : 360,210,263.16 = 149,527,454.94 : x
  2. Step 2: Convert to fraction form
    261,015,066.96/360,210,263.16 = 149,527,454.94/x
  3. Step 3: Cross multiply
    261,015,066.96x = 360,210,263.16 × 149,527,454.94
  4. Step 4: Simplify right side
    261,015,066.96x = 53,861,323,893,582,448
  5. Step 5: Solve for x
    x = 53,861,323,893,582,448/261,015,066.96
  6. Step 6: Final answer
    x = 206,353,313.32

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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.