Home / 145,840,999-201,248,412.03-82,257,834.30

Finding the Fourth Proportional to 145,840,999, 201,248,412.03 and 82,257,834.30

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Solution

The fourth proportional to 145,840,999, 201,248,412.03 and 82,257,834.30 is: 113,508,949.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,840,999 : 201,248,412.03 = 82,257,834.30 : x
  2. Step 2: Convert to fraction form
    145,840,999/201,248,412.03 = 82,257,834.30/x
  3. Step 3: Cross multiply
    145,840,999x = 201,248,412.03 × 82,257,834.30
  4. Step 4: Simplify right side
    145,840,999x = 16,554,258,529,901,866
  5. Step 5: Solve for x
    x = 16,554,258,529,901,866/145,840,999
  6. Step 6: Final answer
    x = 113,508,949.08

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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.