Home / 77,392,384.64-106,798,288.72-42,110,334.96

Finding the Fourth Proportional to 77,392,384.64, 106,798,288.72 and 42,110,334.96

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Solution

The fourth proportional to 77,392,384.64, 106,798,288.72 and 42,110,334.96 is: 58,110,519.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,392,384.64 : 106,798,288.72 = 42,110,334.96 : x
  2. Step 2: Convert to fraction form
    77,392,384.64/106,798,288.72 = 42,110,334.96/x
  3. Step 3: Cross multiply
    77,392,384.64x = 106,798,288.72 × 42,110,334.96
  4. Step 4: Simplify right side
    77,392,384.64x = 4,497,311,711,153,989.50
  5. Step 5: Solve for x
    x = 4,497,311,711,153,989.50/77,392,384.64
  6. Step 6: Final answer
    x = 58,110,519.94

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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.