Home / 148,734,181.80-223,101,272.70-79,859,428.20

Finding the Fourth Proportional to 148,734,181.80, 223,101,272.70 and 79,859,428.20

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Solution

The fourth proportional to 148,734,181.80, 223,101,272.70 and 79,859,428.20 is: 119,789,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,734,181.80 : 223,101,272.70 = 79,859,428.20 : x
  2. Step 2: Convert to fraction form
    148,734,181.80/223,101,272.70 = 79,859,428.20/x
  3. Step 3: Cross multiply
    148,734,181.80x = 223,101,272.70 × 79,859,428.20
  4. Step 4: Simplify right side
    148,734,181.80x = 17,816,740,068,514,270
  5. Step 5: Solve for x
    x = 17,816,740,068,514,270/148,734,181.80
  6. Step 6: Final answer
    x = 119,789,142.30

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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.