Home / 85,667,129.96-128,547,843.42-37,145,356.52

Finding the Fourth Proportional to 85,667,129.96, 128,547,843.42 and 37,145,356.52

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Solution

The fourth proportional to 85,667,129.96, 128,547,843.42 and 37,145,356.52 is: 55,738,478.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,667,129.96 : 128,547,843.42 = 37,145,356.52 : x
  2. Step 2: Convert to fraction form
    85,667,129.96/128,547,843.42 = 37,145,356.52/x
  3. Step 3: Cross multiply
    85,667,129.96x = 128,547,843.42 × 37,145,356.52
  4. Step 4: Simplify right side
    85,667,129.96x = 4,774,955,473,713,037
  5. Step 5: Solve for x
    x = 4,774,955,473,713,037/85,667,129.96
  6. Step 6: Final answer
    x = 55,738,478.41

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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.