Home / 145,481,563.46-200,761,711.76-79,402,535.40

Finding the Fourth Proportional to 145,481,563.46, 200,761,711.76 and 79,402,535.40

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Solution

The fourth proportional to 145,481,563.46, 200,761,711.76 and 79,402,535.40 is: 109,573,945.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,481,563.46 : 200,761,711.76 = 79,402,535.40 : x
  2. Step 2: Convert to fraction form
    145,481,563.46/200,761,711.76 = 79,402,535.40/x
  3. Step 3: Cross multiply
    145,481,563.46x = 200,761,711.76 × 79,402,535.40
  4. Step 4: Simplify right side
    145,481,563.46x = 15,940,988,924,987,996
  5. Step 5: Solve for x
    x = 15,940,988,924,987,996/145,481,563.46
  6. Step 6: Final answer
    x = 109,573,945.63

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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.