Home / 74,706,880.80-112,060,321.20-54,140,114.10

Finding the Fourth Proportional to 74,706,880.80, 112,060,321.20 and 54,140,114.10

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Solution

The fourth proportional to 74,706,880.80, 112,060,321.20 and 54,140,114.10 is: 81,210,171.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,706,880.80 : 112,060,321.20 = 54,140,114.10 : x
  2. Step 2: Convert to fraction form
    74,706,880.80/112,060,321.20 = 54,140,114.10/x
  3. Step 3: Cross multiply
    74,706,880.80x = 112,060,321.20 × 54,140,114.10
  4. Step 4: Simplify right side
    74,706,880.80x = 6,066,958,575,850,649
  5. Step 5: Solve for x
    x = 6,066,958,575,850,649/74,706,880.80
  6. Step 6: Final answer
    x = 81,210,171.15

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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.