Home / 50,688,021.20-76,032,031.80-42,177,966.80

Finding the Fourth Proportional to 50,688,021.20, 76,032,031.80 and 42,177,966.80

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Solution

The fourth proportional to 50,688,021.20, 76,032,031.80 and 42,177,966.80 is: 63,266,950.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,688,021.20 : 76,032,031.80 = 42,177,966.80 : x
  2. Step 2: Convert to fraction form
    50,688,021.20/76,032,031.80 = 42,177,966.80/x
  3. Step 3: Cross multiply
    50,688,021.20x = 76,032,031.80 × 42,177,966.80
  4. Step 4: Simplify right side
    50,688,021.20x = 3,206,876,512,996,944
  5. Step 5: Solve for x
    x = 3,206,876,512,996,944/50,688,021.20
  6. Step 6: Final answer
    x = 63,266,950.20

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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.