Home / 137,673,653.61-190,003,366.28-102,805,809.57

Finding the Fourth Proportional to 137,673,653.61, 190,003,366.28 and 102,805,809.57

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Solution

The fourth proportional to 137,673,653.61, 190,003,366.28 and 102,805,809.57 is: 141,882,265.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,673,653.61 : 190,003,366.28 = 102,805,809.57 : x
  2. Step 2: Convert to fraction form
    137,673,653.61/190,003,366.28 = 102,805,809.57/x
  3. Step 3: Cross multiply
    137,673,653.61x = 190,003,366.28 × 102,805,809.57
  4. Step 4: Simplify right side
    137,673,653.61x = 19,533,449,890,926,608
  5. Step 5: Solve for x
    x = 19,533,449,890,926,608/137,673,653.61
  6. Step 6: Final answer
    x = 141,882,265.62

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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.