Home / 74,748,987.20-112,123,480.80-44,515,899.20

Finding the Fourth Proportional to 74,748,987.20, 112,123,480.80 and 44,515,899.20

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Solution

The fourth proportional to 74,748,987.20, 112,123,480.80 and 44,515,899.20 is: 66,773,848.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,748,987.20 : 112,123,480.80 = 44,515,899.20 : x
  2. Step 2: Convert to fraction form
    74,748,987.20/112,123,480.80 = 44,515,899.20/x
  3. Step 3: Cross multiply
    74,748,987.20x = 112,123,480.80 × 44,515,899.20
  4. Step 4: Simplify right side
    74,748,987.20x = 4,991,277,569,245,936
  5. Step 5: Solve for x
    x = 4,991,277,569,245,936/74,748,987.20
  6. Step 6: Final answer
    x = 66,773,848.80

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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.