Home / 103,194,314.74-154,813,866.99-31,388,864.50

Finding the Fourth Proportional to 103,194,314.74, 154,813,866.99 and 31,388,864.50

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Solution

The fourth proportional to 103,194,314.74, 154,813,866.99 and 31,388,864.50 is: 47,090,108.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,194,314.74 : 154,813,866.99 = 31,388,864.50 : x
  2. Step 2: Convert to fraction form
    103,194,314.74/154,813,866.99 = 31,388,864.50/x
  3. Step 3: Cross multiply
    103,194,314.74x = 154,813,866.99 × 31,388,864.50
  4. Step 4: Simplify right side
    103,194,314.74x = 4,859,431,493,670,133
  5. Step 5: Solve for x
    x = 4,859,431,493,670,133/103,194,314.74
  6. Step 6: Final answer
    x = 47,090,108.65

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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.