Home / 74,769,064.20-112,269,069.90-40,756,840.20

Finding the Fourth Proportional to 74,769,064.20, 112,269,069.90 and 40,756,840.20

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Solution

The fourth proportional to 74,769,064.20, 112,269,069.90 and 40,756,840.20 is: 61,198,205.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,769,064.20 : 112,269,069.90 = 40,756,840.20 : x
  2. Step 2: Convert to fraction form
    74,769,064.20/112,269,069.90 = 40,756,840.20/x
  3. Step 3: Cross multiply
    74,769,064.20x = 112,269,069.90 × 40,756,840.20
  4. Step 4: Simplify right side
    74,769,064.20x = 4,575,732,541,316,931
  5. Step 5: Solve for x
    x = 4,575,732,541,316,931/74,769,064.20
  6. Step 6: Final answer
    x = 61,198,205.30

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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.