Home / 103,699,417.91-155,547,124.54-30,965,480.87

Finding the Fourth Proportional to 103,699,417.91, 155,547,124.54 and 30,965,480.87

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Solution

The fourth proportional to 103,699,417.91, 155,547,124.54 and 30,965,480.87 is: 46,447,623.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,699,417.91 : 155,547,124.54 = 30,965,480.87 : x
  2. Step 2: Convert to fraction form
    103,699,417.91/155,547,124.54 = 30,965,480.87/x
  3. Step 3: Cross multiply
    103,699,417.91x = 155,547,124.54 × 30,965,480.87
  4. Step 4: Simplify right side
    103,699,417.91x = 4,816,591,508,471,728
  5. Step 5: Solve for x
    x = 4,816,591,508,471,728/103,699,417.91
  6. Step 6: Final answer
    x = 46,447,623.39

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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.