Home / 72,683,535.81-109,073,787.48-37,700,891.31

Finding the Fourth Proportional to 72,683,535.81, 109,073,787.48 and 37,700,891.31

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Solution

The fourth proportional to 72,683,535.81, 109,073,787.48 and 37,700,891.31 is: 56,576,485.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,683,535.81 : 109,073,787.48 = 37,700,891.31 : x
  2. Step 2: Convert to fraction form
    72,683,535.81/109,073,787.48 = 37,700,891.31/x
  3. Step 3: Cross multiply
    72,683,535.81x = 109,073,787.48 × 37,700,891.31
  4. Step 4: Simplify right side
    72,683,535.81x = 4,112,179,006,553,519
  5. Step 5: Solve for x
    x = 4,112,179,006,553,519/72,683,535.81
  6. Step 6: Final answer
    x = 56,576,485.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.