Home / 70,119,334.71-105,184,286.40-20,931,302.66

Finding the Fourth Proportional to 70,119,334.71, 105,184,286.40 and 20,931,302.66

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Solution

The fourth proportional to 70,119,334.71, 105,184,286.40 and 20,931,302.66 is: 31,398,531.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,119,334.71 : 105,184,286.40 = 20,931,302.66 : x
  2. Step 2: Convert to fraction form
    70,119,334.71/105,184,286.40 = 20,931,302.66/x
  3. Step 3: Cross multiply
    70,119,334.71x = 105,184,286.40 × 20,931,302.66
  4. Step 4: Simplify right side
    70,119,334.71x = 2,201,644,133,188,600.75
  5. Step 5: Solve for x
    x = 2,201,644,133,188,600.75/70,119,334.71
  6. Step 6: Final answer
    x = 31,398,531.41

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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.