Home / 102,703,249.50-141,745,018.40-63,557,637.12

Finding the Fourth Proportional to 102,703,249.50, 141,745,018.40 and 63,557,637.12

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Solution

The fourth proportional to 102,703,249.50, 141,745,018.40 and 63,557,637.12 is: 87,718,533.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,703,249.50 : 141,745,018.40 = 63,557,637.12 : x
  2. Step 2: Convert to fraction form
    102,703,249.50/141,745,018.40 = 63,557,637.12/x
  3. Step 3: Cross multiply
    102,703,249.50x = 141,745,018.40 × 63,557,637.12
  4. Step 4: Simplify right side
    102,703,249.50x = 9,008,978,443,034,924
  5. Step 5: Solve for x
    x = 9,008,978,443,034,924/102,703,249.50
  6. Step 6: Final answer
    x = 87,718,533.61

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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.