Home / 318,724,530.94-478,225,856.81-111,611,593.19

Finding the Fourth Proportional to 318,724,530.94, 478,225,856.81 and 111,611,593.19

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Solution

The fourth proportional to 318,724,530.94, 478,225,856.81 and 111,611,593.19 is: 167,466,086.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,724,530.94 : 478,225,856.81 = 111,611,593.19 : x
  2. Step 2: Convert to fraction form
    318,724,530.94/478,225,856.81 = 111,611,593.19/x
  3. Step 3: Cross multiply
    318,724,530.94x = 478,225,856.81 × 111,611,593.19
  4. Step 4: Simplify right side
    318,724,530.94x = 53,375,549,783,216,912
  5. Step 5: Solve for x
    x = 53,375,549,783,216,912/318,724,530.94
  6. Step 6: Final answer
    x = 167,466,086.23

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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.