Home / 74,892,824.80-112,339,237.20-42,532,223.20

Finding the Fourth Proportional to 74,892,824.80, 112,339,237.20 and 42,532,223.20

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Solution

The fourth proportional to 74,892,824.80, 112,339,237.20 and 42,532,223.20 is: 63,798,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,892,824.80 : 112,339,237.20 = 42,532,223.20 : x
  2. Step 2: Convert to fraction form
    74,892,824.80/112,339,237.20 = 42,532,223.20/x
  3. Step 3: Cross multiply
    74,892,824.80x = 112,339,237.20 × 42,532,223.20
  4. Step 4: Simplify right side
    74,892,824.80x = 4,778,037,510,708,144
  5. Step 5: Solve for x
    x = 4,778,037,510,708,144/74,892,824.80
  6. Step 6: Final answer
    x = 63,798,334.80

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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.