Home / 79,710,007.68-109,999,321.92-44,913,905.28

Finding the Fourth Proportional to 79,710,007.68, 109,999,321.92 and 44,913,905.28

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Solution

The fourth proportional to 79,710,007.68, 109,999,321.92 and 44,913,905.28 is: 61,980,913.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,710,007.68 : 109,999,321.92 = 44,913,905.28 : x
  2. Step 2: Convert to fraction form
    79,710,007.68/109,999,321.92 = 44,913,905.28/x
  3. Step 3: Cross multiply
    79,710,007.68x = 109,999,321.92 × 44,913,905.28
  4. Step 4: Simplify right side
    79,710,007.68x = 4,940,499,125,579,108
  5. Step 5: Solve for x
    x = 4,940,499,125,579,108/79,710,007.68
  6. Step 6: Final answer
    x = 61,980,913.93

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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.