Home / 77,325,976.43-106,713,678.15-47,966,768.52

Finding the Fourth Proportional to 77,325,976.43, 106,713,678.15 and 47,966,768.52

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Solution

The fourth proportional to 77,325,976.43, 106,713,678.15 and 47,966,768.52 is: 66,196,516.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,325,976.43 : 106,713,678.15 = 47,966,768.52 : x
  2. Step 2: Convert to fraction form
    77,325,976.43/106,713,678.15 = 47,966,768.52/x
  3. Step 3: Cross multiply
    77,325,976.43x = 106,713,678.15 × 47,966,768.52
  4. Step 4: Simplify right side
    77,325,976.43x = 5,118,710,297,498,998
  5. Step 5: Solve for x
    x = 5,118,710,297,498,998/77,325,976.43
  6. Step 6: Final answer
    x = 66,196,516.80

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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.