Home / 74,861,480.20-112,334,210.70-31,723,342.60

Finding the Fourth Proportional to 74,861,480.20, 112,334,210.70 and 31,723,342.60

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Solution

The fourth proportional to 74,861,480.20, 112,334,210.70 and 31,723,342.60 is: 47,602,807.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,861,480.20 : 112,334,210.70 = 31,723,342.60 : x
  2. Step 2: Convert to fraction form
    74,861,480.20/112,334,210.70 = 31,723,342.60/x
  3. Step 3: Cross multiply
    74,861,480.20x = 112,334,210.70 × 31,723,342.60
  4. Step 4: Simplify right side
    74,861,480.20x = 3,563,616,651,736,686
  5. Step 5: Solve for x
    x = 3,563,616,651,736,686/74,861,480.20
  6. Step 6: Final answer
    x = 47,602,807.78

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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.