Home / 61,241,401.80-91,860,134.40-20,302,730.10

Finding the Fourth Proportional to 61,241,401.80, 91,860,134.40 and 20,302,730.10

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Solution

The fourth proportional to 61,241,401.80, 91,860,134.40 and 20,302,730.10 is: 30,453,442.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,241,401.80 : 91,860,134.40 = 20,302,730.10 : x
  2. Step 2: Convert to fraction form
    61,241,401.80/91,860,134.40 = 20,302,730.10/x
  3. Step 3: Cross multiply
    61,241,401.80x = 91,860,134.40 × 20,302,730.10
  4. Step 4: Simplify right side
    61,241,401.80x = 1,865,011,515,672,925.75
  5. Step 5: Solve for x
    x = 1,865,011,515,672,925.75/61,241,401.80
  6. Step 6: Final answer
    x = 30,453,442.62

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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.