Home / 74,328,006.60-111,492,009.90-51,653,190.60

Finding the Fourth Proportional to 74,328,006.60, 111,492,009.90 and 51,653,190.60

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Solution

The fourth proportional to 74,328,006.60, 111,492,009.90 and 51,653,190.60 is: 77,479,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,328,006.60 : 111,492,009.90 = 51,653,190.60 : x
  2. Step 2: Convert to fraction form
    74,328,006.60/111,492,009.90 = 51,653,190.60/x
  3. Step 3: Cross multiply
    74,328,006.60x = 111,492,009.90 × 51,653,190.60
  4. Step 4: Simplify right side
    74,328,006.60x = 5,758,918,037,741,787
  5. Step 5: Solve for x
    x = 5,758,918,037,741,787/74,328,006.60
  6. Step 6: Final answer
    x = 77,479,785.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.