Home / 74,342,329.88-102,586,400.49-42,982,390.89

Finding the Fourth Proportional to 74,342,329.88, 102,586,400.49 and 42,982,390.89

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Solution

The fourth proportional to 74,342,329.88, 102,586,400.49 and 42,982,390.89 is: 59,312,221.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,342,329.88 : 102,586,400.49 = 42,982,390.89 : x
  2. Step 2: Convert to fraction form
    74,342,329.88/102,586,400.49 = 42,982,390.89/x
  3. Step 3: Cross multiply
    74,342,329.88x = 102,586,400.49 × 42,982,390.89
  4. Step 4: Simplify right side
    74,342,329.88x = 4,409,408,765,859,267.50
  5. Step 5: Solve for x
    x = 4,409,408,765,859,267.50/74,342,329.88
  6. Step 6: Final answer
    x = 59,312,221.90

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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.