Home / 75,672,748.16-104,428,390.65-40,865,435.75

Finding the Fourth Proportional to 75,672,748.16, 104,428,390.65 and 40,865,435.75

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Solution

The fourth proportional to 75,672,748.16, 104,428,390.65 and 40,865,435.75 is: 56,394,300.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,672,748.16 : 104,428,390.65 = 40,865,435.75 : x
  2. Step 2: Convert to fraction form
    75,672,748.16/104,428,390.65 = 40,865,435.75/x
  3. Step 3: Cross multiply
    75,672,748.16x = 104,428,390.65 × 40,865,435.75
  4. Step 4: Simplify right side
    75,672,748.16x = 4,267,511,688,583,476
  5. Step 5: Solve for x
    x = 4,267,511,688,583,476/75,672,748.16
  6. Step 6: Final answer
    x = 56,394,300.36

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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.