Home / 142,436,334.80-213,654,502.20-51,527,118.80

Finding the Fourth Proportional to 142,436,334.80, 213,654,502.20 and 51,527,118.80

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Solution

The fourth proportional to 142,436,334.80, 213,654,502.20 and 51,527,118.80 is: 77,290,678.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,436,334.80 : 213,654,502.20 = 51,527,118.80 : x
  2. Step 2: Convert to fraction form
    142,436,334.80/213,654,502.20 = 51,527,118.80/x
  3. Step 3: Cross multiply
    142,436,334.80x = 213,654,502.20 × 51,527,118.80
  4. Step 4: Simplify right side
    142,436,334.80x = 11,009,000,917,014,260
  5. Step 5: Solve for x
    x = 11,009,000,917,014,260/142,436,334.80
  6. Step 6: Final answer
    x = 77,290,678.20

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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.