Home / 74,883,742.40-112,325,613.60-36,569,835.20

Finding the Fourth Proportional to 74,883,742.40, 112,325,613.60 and 36,569,835.20

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Solution

The fourth proportional to 74,883,742.40, 112,325,613.60 and 36,569,835.20 is: 54,854,752.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,883,742.40 : 112,325,613.60 = 36,569,835.20 : x
  2. Step 2: Convert to fraction form
    74,883,742.40/112,325,613.60 = 36,569,835.20/x
  3. Step 3: Cross multiply
    74,883,742.40x = 112,325,613.60 × 36,569,835.20
  4. Step 4: Simplify right side
    74,883,742.40x = 4,107,729,178,090,879
  5. Step 5: Solve for x
    x = 4,107,729,178,090,879/74,883,742.40
  6. Step 6: Final answer
    x = 54,854,752.80

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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.