Home / 85,702,190.32-118,279,119.14-50,894,880.76

Finding the Fourth Proportional to 85,702,190.32, 118,279,119.14 and 50,894,880.76

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Solution

The fourth proportional to 85,702,190.32, 118,279,119.14 and 50,894,880.76 is: 70,240,931.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,702,190.32 : 118,279,119.14 = 50,894,880.76 : x
  2. Step 2: Convert to fraction form
    85,702,190.32/118,279,119.14 = 50,894,880.76/x
  3. Step 3: Cross multiply
    85,702,190.32x = 118,279,119.14 × 50,894,880.76
  4. Step 4: Simplify right side
    85,702,190.32x = 6,019,801,665,112,364
  5. Step 5: Solve for x
    x = 6,019,801,665,112,364/85,702,190.32
  6. Step 6: Final answer
    x = 70,240,931.33

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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.