Home / 347,757,752.20-521,304,852.30-129,349,611.40

Finding the Fourth Proportional to 347,757,752.20, 521,304,852.30 and 129,349,611.40

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Solution

The fourth proportional to 347,757,752.20, 521,304,852.30 and 129,349,611.40 is: 193,901,011.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,757,752.20 : 521,304,852.30 = 129,349,611.40 : x
  2. Step 2: Convert to fraction form
    347,757,752.20/521,304,852.30 = 129,349,611.40/x
  3. Step 3: Cross multiply
    347,757,752.20x = 521,304,852.30 × 129,349,611.40
  4. Step 4: Simplify right side
    347,757,752.20x = 67,430,580,065,939,400
  5. Step 5: Solve for x
    x = 67,430,580,065,939,400/347,757,752.20
  6. Step 6: Final answer
    x = 193,901,011.95

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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.