Home / 74,781,331.20-112,171,996.80-46,745,740.80

Finding the Fourth Proportional to 74,781,331.20, 112,171,996.80 and 46,745,740.80

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Solution

The fourth proportional to 74,781,331.20, 112,171,996.80 and 46,745,740.80 is: 70,118,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,781,331.20 : 112,171,996.80 = 46,745,740.80 : x
  2. Step 2: Convert to fraction form
    74,781,331.20/112,171,996.80 = 46,745,740.80/x
  3. Step 3: Cross multiply
    74,781,331.20x = 112,171,996.80 × 46,745,740.80
  4. Step 4: Simplify right side
    74,781,331.20x = 5,243,563,087,431,229
  5. Step 5: Solve for x
    x = 5,243,563,087,431,229/74,781,331.20
  6. Step 6: Final answer
    x = 70,118,611.20

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1.5x scale

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.