Home / 77,686,576-116,535,463.04-29,817,520

Finding the Fourth Proportional to 77,686,576, 116,535,463.04 and 29,817,520

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Solution

The fourth proportional to 77,686,576, 116,535,463.04 and 29,817,520 is: 44,728,429.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,686,576 : 116,535,463.04 = 29,817,520 : x
  2. Step 2: Convert to fraction form
    77,686,576/116,535,463.04 = 29,817,520/x
  3. Step 3: Cross multiply
    77,686,576x = 116,535,463.04 × 29,817,520
  4. Step 4: Simplify right side
    77,686,576x = 3,474,798,499,904,461
  5. Step 5: Solve for x
    x = 3,474,798,499,904,461/77,686,576
  6. Step 6: Final answer
    x = 44,728,429.01

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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.