Home / 50,688,020.20-76,032,030.30-42,177,965.80

Finding the Fourth Proportional to 50,688,020.20, 76,032,030.30 and 42,177,965.80

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Solution

The fourth proportional to 50,688,020.20, 76,032,030.30 and 42,177,965.80 is: 63,266,948.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,688,020.20 : 76,032,030.30 = 42,177,965.80 : x
  2. Step 2: Convert to fraction form
    50,688,020.20/76,032,030.30 = 42,177,965.80/x
  3. Step 3: Cross multiply
    50,688,020.20x = 76,032,030.30 × 42,177,965.80
  4. Step 4: Simplify right side
    50,688,020.20x = 3,206,876,373,697,963.50
  5. Step 5: Solve for x
    x = 3,206,876,373,697,963.50/50,688,020.20
  6. Step 6: Final answer
    x = 63,266,948.70

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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.