Home / 169,487,421.03-253,737,257.40-125,960,908.46

Finding the Fourth Proportional to 169,487,421.03, 253,737,257.40 and 125,960,908.46

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Solution

The fourth proportional to 169,487,421.03, 253,737,257.40 and 125,960,908.46 is: 188,574,321.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,487,421.03 : 253,737,257.40 = 125,960,908.46 : x
  2. Step 2: Convert to fraction form
    169,487,421.03/253,737,257.40 = 125,960,908.46/x
  3. Step 3: Cross multiply
    169,487,421.03x = 253,737,257.40 × 125,960,908.46
  4. Step 4: Simplify right side
    169,487,421.03x = 31,960,975,450,984,172
  5. Step 5: Solve for x
    x = 31,960,975,450,984,172/169,487,421.03
  6. Step 6: Final answer
    x = 188,574,321.66

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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.