Home / 145,164,031.20-217,746,046.80-64,384,999.20

Finding the Fourth Proportional to 145,164,031.20, 217,746,046.80 and 64,384,999.20

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Solution

The fourth proportional to 145,164,031.20, 217,746,046.80 and 64,384,999.20 is: 96,577,498.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,164,031.20 : 217,746,046.80 = 64,384,999.20 : x
  2. Step 2: Convert to fraction form
    145,164,031.20/217,746,046.80 = 64,384,999.20/x
  3. Step 3: Cross multiply
    145,164,031.20x = 217,746,046.80 × 64,384,999.20
  4. Step 4: Simplify right side
    145,164,031.20x = 14,019,579,049,021,164
  5. Step 5: Solve for x
    x = 14,019,579,049,021,164/145,164,031.20
  6. Step 6: Final answer
    x = 96,577,498.80

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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.