Home / 76,173,007.77-105,150,927.06-51,426,711.81

Finding the Fourth Proportional to 76,173,007.77, 105,150,927.06 and 51,426,711.81

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Solution

The fourth proportional to 76,173,007.77, 105,150,927.06 and 51,426,711.81 is: 70,990,585.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,173,007.77 : 105,150,927.06 = 51,426,711.81 : x
  2. Step 2: Convert to fraction form
    76,173,007.77/105,150,927.06 = 51,426,711.81/x
  3. Step 3: Cross multiply
    76,173,007.77x = 105,150,927.06 × 51,426,711.81
  4. Step 4: Simplify right side
    76,173,007.77x = 5,407,566,422,468,951
  5. Step 5: Solve for x
    x = 5,407,566,422,468,951/76,173,007.77
  6. Step 6: Final answer
    x = 70,990,585.52

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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.