Home / 145,481,598.64-200,761,760.33-79,402,570.66

Finding the Fourth Proportional to 145,481,598.64, 200,761,760.33 and 79,402,570.66

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Solution

The fourth proportional to 145,481,598.64, 200,761,760.33 and 79,402,570.66 is: 109,573,994.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,481,598.64 : 200,761,760.33 = 79,402,570.66 : x
  2. Step 2: Convert to fraction form
    145,481,598.64/200,761,760.33 = 79,402,570.66/x
  3. Step 3: Cross multiply
    145,481,598.64x = 200,761,760.33 × 79,402,570.66
  4. Step 4: Simplify right side
    145,481,598.64x = 15,940,999,861,143,876
  5. Step 5: Solve for x
    x = 15,940,999,861,143,876/145,481,598.64
  6. Step 6: Final answer
    x = 109,573,994.30

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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.