Home / 77,400,829.40-115,989,269.70-34,234,698.20

Finding the Fourth Proportional to 77,400,829.40, 115,989,269.70 and 34,234,698.20

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Solution

The fourth proportional to 77,400,829.40, 115,989,269.70 and 34,234,698.20 is: 51,302,520.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,400,829.40 : 115,989,269.70 = 34,234,698.20 : x
  2. Step 2: Convert to fraction form
    77,400,829.40/115,989,269.70 = 34,234,698.20/x
  3. Step 3: Cross multiply
    77,400,829.40x = 115,989,269.70 × 34,234,698.20
  4. Step 4: Simplify right side
    77,400,829.40x = 3,970,857,642,617,905
  5. Step 5: Solve for x
    x = 3,970,857,642,617,905/77,400,829.40
  6. Step 6: Final answer
    x = 51,302,520.57

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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.