Home / 198,378,275.65-297,284,818.92-146,152,157.97

Finding the Fourth Proportional to 198,378,275.65, 297,284,818.92 and 146,152,157.97

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Solution

The fourth proportional to 198,378,275.65, 297,284,818.92 and 146,152,157.97 is: 219,020,039.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,378,275.65 : 297,284,818.92 = 146,152,157.97 : x
  2. Step 2: Convert to fraction form
    198,378,275.65/297,284,818.92 = 146,152,157.97/x
  3. Step 3: Cross multiply
    198,378,275.65x = 297,284,818.92 × 146,152,157.97
  4. Step 4: Simplify right side
    198,378,275.65x = 43,448,817,816,878,688
  5. Step 5: Solve for x
    x = 43,448,817,816,878,688/198,378,275.65
  6. Step 6: Final answer
    x = 219,020,039.74

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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.