Home / 114,967,492.40-172,451,238.60-74,152,823.60

Finding the Fourth Proportional to 114,967,492.40, 172,451,238.60 and 74,152,823.60

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Solution

The fourth proportional to 114,967,492.40, 172,451,238.60 and 74,152,823.60 is: 111,229,235.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,967,492.40 : 172,451,238.60 = 74,152,823.60 : x
  2. Step 2: Convert to fraction form
    114,967,492.40/172,451,238.60 = 74,152,823.60/x
  3. Step 3: Cross multiply
    114,967,492.40x = 172,451,238.60 × 74,152,823.60
  4. Step 4: Simplify right side
    114,967,492.40x = 12,787,746,275,507,310
  5. Step 5: Solve for x
    x = 12,787,746,275,507,310/114,967,492.40
  6. Step 6: Final answer
    x = 111,229,235.40

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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.