Home / 74,844,845.40-112,267,268.10-42,596,218.20

Finding the Fourth Proportional to 74,844,845.40, 112,267,268.10 and 42,596,218.20

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Solution

The fourth proportional to 74,844,845.40, 112,267,268.10 and 42,596,218.20 is: 63,894,327.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,844,845.40 : 112,267,268.10 = 42,596,218.20 : x
  2. Step 2: Convert to fraction form
    74,844,845.40/112,267,268.10 = 42,596,218.20/x
  3. Step 3: Cross multiply
    74,844,845.40x = 112,267,268.10 × 42,596,218.20
  4. Step 4: Simplify right side
    74,844,845.40x = 4,782,161,048,705,500
  5. Step 5: Solve for x
    x = 4,782,161,048,705,500/74,844,845.40
  6. Step 6: Final answer
    x = 63,894,327.30

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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.