Home / 161,805,553.80-242,881,048.80-69,734,729.10

Finding the Fourth Proportional to 161,805,553.80, 242,881,048.80 and 69,734,729.10

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Solution

The fourth proportional to 161,805,553.80, 242,881,048.80 and 69,734,729.10 is: 104,676,531.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,805,553.80 : 242,881,048.80 = 69,734,729.10 : x
  2. Step 2: Convert to fraction form
    161,805,553.80/242,881,048.80 = 69,734,729.10/x
  3. Step 3: Cross multiply
    161,805,553.80x = 242,881,048.80 × 69,734,729.10
  4. Step 4: Simplify right side
    161,805,553.80x = 16,937,244,141,591,880
  5. Step 5: Solve for x
    x = 16,937,244,141,591,880/161,805,553.80
  6. Step 6: Final answer
    x = 104,676,531.45

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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.