Home / 74,660,931.30-103,032,063.69-40,322,115.30

Finding the Fourth Proportional to 74,660,931.30, 103,032,063.69 and 40,322,115.30

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Solution

The fourth proportional to 74,660,931.30, 103,032,063.69 and 40,322,115.30 is: 55,644,507.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,660,931.30 : 103,032,063.69 = 40,322,115.30 : x
  2. Step 2: Convert to fraction form
    74,660,931.30/103,032,063.69 = 40,322,115.30/x
  3. Step 3: Cross multiply
    74,660,931.30x = 103,032,063.69 × 40,322,115.30
  4. Step 4: Simplify right side
    74,660,931.30x = 4,154,470,751,705,123
  5. Step 5: Solve for x
    x = 4,154,470,751,705,123/74,660,931.30
  6. Step 6: Final answer
    x = 55,644,507.50

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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.