Home / 145,510,334.13-200,806,378.74-82,785,082.07

Finding the Fourth Proportional to 145,510,334.13, 200,806,378.74 and 82,785,082.07

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Solution

The fourth proportional to 145,510,334.13, 200,806,378.74 and 82,785,082.07 is: 114,244,618.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,510,334.13 : 200,806,378.74 = 82,785,082.07 : x
  2. Step 2: Convert to fraction form
    145,510,334.13/200,806,378.74 = 82,785,082.07/x
  3. Step 3: Cross multiply
    145,510,334.13x = 200,806,378.74 × 82,785,082.07
  4. Step 4: Simplify right side
    145,510,334.13x = 16,623,772,543,756,478
  5. Step 5: Solve for x
    x = 16,623,772,543,756,478/145,510,334.13
  6. Step 6: Final answer
    x = 114,244,618.05

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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.