Home / 65,828,282.24-90,808,588.37-40,702,359.74

Finding the Fourth Proportional to 65,828,282.24, 90,808,588.37 and 40,702,359.74

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Solution

The fourth proportional to 65,828,282.24, 90,808,588.37 and 40,702,359.74 is: 56,147,961.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,828,282.24 : 90,808,588.37 = 40,702,359.74 : x
  2. Step 2: Convert to fraction form
    65,828,282.24/90,808,588.37 = 40,702,359.74/x
  3. Step 3: Cross multiply
    65,828,282.24x = 90,808,588.37 × 40,702,359.74
  4. Step 4: Simplify right side
    65,828,282.24x = 3,696,123,830,659,765
  5. Step 5: Solve for x
    x = 3,696,123,830,659,765/65,828,282.24
  6. Step 6: Final answer
    x = 56,147,961.11

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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.