Home / 54,403,313.60-81,604,970.40-47,317,433.60

Finding the Fourth Proportional to 54,403,313.60, 81,604,970.40 and 47,317,433.60

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Solution

The fourth proportional to 54,403,313.60, 81,604,970.40 and 47,317,433.60 is: 70,976,150.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,403,313.60 : 81,604,970.40 = 47,317,433.60 : x
  2. Step 2: Convert to fraction form
    54,403,313.60/81,604,970.40 = 47,317,433.60/x
  3. Step 3: Cross multiply
    54,403,313.60x = 81,604,970.40 × 47,317,433.60
  4. Step 4: Simplify right side
    54,403,313.60x = 3,861,337,768,331,966
  5. Step 5: Solve for x
    x = 3,861,337,768,331,966/54,403,313.60
  6. Step 6: Final answer
    x = 70,976,150.40

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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.