Home / 149,712,001.80-224,568,002.70-85,214,747.40

Finding the Fourth Proportional to 149,712,001.80, 224,568,002.70 and 85,214,747.40

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Solution

The fourth proportional to 149,712,001.80, 224,568,002.70 and 85,214,747.40 is: 127,822,121.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,712,001.80 : 224,568,002.70 = 85,214,747.40 : x
  2. Step 2: Convert to fraction form
    149,712,001.80/224,568,002.70 = 85,214,747.40/x
  3. Step 3: Cross multiply
    149,712,001.80x = 224,568,002.70 × 85,214,747.40
  4. Step 4: Simplify right side
    149,712,001.80x = 19,136,505,624,203,020
  5. Step 5: Solve for x
    x = 19,136,505,624,203,020/149,712,001.80
  6. Step 6: Final answer
    x = 127,822,121.10

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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.