Home / 171,411,753.36-257,051,832.12-72,981,052.32

Finding the Fourth Proportional to 171,411,753.36, 257,051,832.12 and 72,981,052.32

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Solution

The fourth proportional to 171,411,753.36, 257,051,832.12 and 72,981,052.32 is: 109,443,564.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,411,753.36 : 257,051,832.12 = 72,981,052.32 : x
  2. Step 2: Convert to fraction form
    171,411,753.36/257,051,832.12 = 72,981,052.32/x
  3. Step 3: Cross multiply
    171,411,753.36x = 257,051,832.12 × 72,981,052.32
  4. Step 4: Simplify right side
    171,411,753.36x = 18,759,913,208,901,576
  5. Step 5: Solve for x
    x = 18,759,913,208,901,576/171,411,753.36
  6. Step 6: Final answer
    x = 109,443,564.06

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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.