Home / 54,404,037.60-81,606,056.40-42,074,606.40

Finding the Fourth Proportional to 54,404,037.60, 81,606,056.40 and 42,074,606.40

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Solution

The fourth proportional to 54,404,037.60, 81,606,056.40 and 42,074,606.40 is: 63,111,909.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,404,037.60 : 81,606,056.40 = 42,074,606.40 : x
  2. Step 2: Convert to fraction form
    54,404,037.60/81,606,056.40 = 42,074,606.40/x
  3. Step 3: Cross multiply
    54,404,037.60x = 81,606,056.40 × 42,074,606.40
  4. Step 4: Simplify right side
    54,404,037.60x = 3,433,542,702,886,201
  5. Step 5: Solve for x
    x = 3,433,542,702,886,201/54,404,037.60
  6. Step 6: Final answer
    x = 63,111,909.60

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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.