Home / 295,091,812.80-442,921,154.40-149,689,555.20

Finding the Fourth Proportional to 295,091,812.80, 442,921,154.40 and 149,689,555.20

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Solution

The fourth proportional to 295,091,812.80, 442,921,154.40 and 149,689,555.20 is: 224,678,109.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,091,812.80 : 442,921,154.40 = 149,689,555.20 : x
  2. Step 2: Convert to fraction form
    295,091,812.80/442,921,154.40 = 149,689,555.20/x
  3. Step 3: Cross multiply
    295,091,812.80x = 442,921,154.40 × 149,689,555.20
  4. Step 4: Simplify right side
    295,091,812.80x = 66,300,670,590,806,512
  5. Step 5: Solve for x
    x = 66,300,670,590,806,512/295,091,812.80
  6. Step 6: Final answer
    x = 224,678,109.37

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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.