Home / 210,307,572.80-315,179,377.39-163,677,364.30

Finding the Fourth Proportional to 210,307,572.80, 315,179,377.39 and 163,677,364.30

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Solution

The fourth proportional to 210,307,572.80, 315,179,377.39 and 163,677,364.30 is: 245,296,586.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,307,572.80 : 315,179,377.39 = 163,677,364.30 : x
  2. Step 2: Convert to fraction form
    210,307,572.80/315,179,377.39 = 163,677,364.30/x
  3. Step 3: Cross multiply
    210,307,572.80x = 315,179,377.39 × 163,677,364.30
  4. Step 4: Simplify right side
    210,307,572.80x = 51,587,729,773,508,792
  5. Step 5: Solve for x
    x = 51,587,729,773,508,792/210,307,572.80
  6. Step 6: Final answer
    x = 245,296,586.74

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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.