Home / 92,987,555.58-139,501,512-28,289,679.12

Finding the Fourth Proportional to 92,987,555.58, 139,501,512 and 28,289,679.12

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Solution

The fourth proportional to 92,987,555.58, 139,501,512 and 28,289,679.12 is: 42,440,657.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,987,555.58 : 139,501,512 = 28,289,679.12 : x
  2. Step 2: Convert to fraction form
    92,987,555.58/139,501,512 = 28,289,679.12/x
  3. Step 3: Cross multiply
    92,987,555.58x = 139,501,512 × 28,289,679.12
  4. Step 4: Simplify right side
    92,987,555.58x = 3,946,453,011,234,829.50
  5. Step 5: Solve for x
    x = 3,946,453,011,234,829.50/92,987,555.58
  6. Step 6: Final answer
    x = 42,440,657.64

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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.