Home / 81,624,762.86-112,650,129.15-60,962,336.78

Finding the Fourth Proportional to 81,624,762.86, 112,650,129.15 and 60,962,336.78

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Solution

The fourth proportional to 81,624,762.86, 112,650,129.15 and 60,962,336.78 is: 84,133,967.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,624,762.86 : 112,650,129.15 = 60,962,336.78 : x
  2. Step 2: Convert to fraction form
    81,624,762.86/112,650,129.15 = 60,962,336.78/x
  3. Step 3: Cross multiply
    81,624,762.86x = 112,650,129.15 × 60,962,336.78
  4. Step 4: Simplify right side
    81,624,762.86x = 6,867,415,111,552,796
  5. Step 5: Solve for x
    x = 6,867,415,111,552,796/81,624,762.86
  6. Step 6: Final answer
    x = 84,133,967.08

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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.