Home / 228,177,265.20-342,265,897.80-137,478,001.20

Finding the Fourth Proportional to 228,177,265.20, 342,265,897.80 and 137,478,001.20

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Solution

The fourth proportional to 228,177,265.20, 342,265,897.80 and 137,478,001.20 is: 206,217,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,177,265.20 : 342,265,897.80 = 137,478,001.20 : x
  2. Step 2: Convert to fraction form
    228,177,265.20/342,265,897.80 = 137,478,001.20/x
  3. Step 3: Cross multiply
    228,177,265.20x = 342,265,897.80 × 137,478,001.20
  4. Step 4: Simplify right side
    228,177,265.20x = 47,054,031,508,467,472
  5. Step 5: Solve for x
    x = 47,054,031,508,467,472/228,177,265.20
  6. Step 6: Final answer
    x = 206,217,001.80

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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.