Home / 99,931,119.92-137,894,328.66-55,269,995.06

Finding the Fourth Proportional to 99,931,119.92, 137,894,328.66 and 55,269,995.06

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Solution

The fourth proportional to 99,931,119.92, 137,894,328.66 and 55,269,995.06 is: 76,266,721.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,931,119.92 : 137,894,328.66 = 55,269,995.06 : x
  2. Step 2: Convert to fraction form
    99,931,119.92/137,894,328.66 = 55,269,995.06/x
  3. Step 3: Cross multiply
    99,931,119.92x = 137,894,328.66 × 55,269,995.06
  4. Step 4: Simplify right side
    99,931,119.92x = 7,621,418,863,840,217
  5. Step 5: Solve for x
    x = 7,621,418,863,840,217/99,931,119.92
  6. Step 6: Final answer
    x = 76,266,721.22

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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.