Home / 199,272,021.20-298,908,031.80-122,345,608.40

Finding the Fourth Proportional to 199,272,021.20, 298,908,031.80 and 122,345,608.40

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Solution

The fourth proportional to 199,272,021.20, 298,908,031.80 and 122,345,608.40 is: 183,518,412.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,272,021.20 : 298,908,031.80 = 122,345,608.40 : x
  2. Step 2: Convert to fraction form
    199,272,021.20/298,908,031.80 = 122,345,608.40/x
  3. Step 3: Cross multiply
    199,272,021.20x = 298,908,031.80 × 122,345,608.40
  4. Step 4: Simplify right side
    199,272,021.20x = 36,570,085,006,217,552
  5. Step 5: Solve for x
    x = 36,570,085,006,217,552/199,272,021.20
  6. Step 6: Final answer
    x = 183,518,412.60

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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.