Home / 167,946,239.40-251,919,359.10-139,248,425.40

Finding the Fourth Proportional to 167,946,239.40, 251,919,359.10 and 139,248,425.40

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Solution

The fourth proportional to 167,946,239.40, 251,919,359.10 and 139,248,425.40 is: 208,872,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,946,239.40 : 251,919,359.10 = 139,248,425.40 : x
  2. Step 2: Convert to fraction form
    167,946,239.40/251,919,359.10 = 139,248,425.40/x
  3. Step 3: Cross multiply
    167,946,239.40x = 251,919,359.10 × 139,248,425.40
  4. Step 4: Simplify right side
    167,946,239.40x = 35,079,374,082,452,160
  5. Step 5: Solve for x
    x = 35,079,374,082,452,160/167,946,239.40
  6. Step 6: Final answer
    x = 208,872,638.10

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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.