Home / 139,620,070-209,452,797.96-41,261,757.04

Finding the Fourth Proportional to 139,620,070, 209,452,797.96 and 41,261,757.04

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Solution

The fourth proportional to 139,620,070, 209,452,797.96 and 41,261,757.04 is: 61,899,341.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,620,070 : 209,452,797.96 = 41,261,757.04 : x
  2. Step 2: Convert to fraction form
    139,620,070/209,452,797.96 = 41,261,757.04/x
  3. Step 3: Cross multiply
    139,620,070x = 209,452,797.96 × 41,261,757.04
  4. Step 4: Simplify right side
    139,620,070x = 8,642,390,460,773,728
  5. Step 5: Solve for x
    x = 8,642,390,460,773,728/139,620,070
  6. Step 6: Final answer
    x = 61,899,341.98

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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.