Home / 84,570,404.40-126,855,606.60-74,828,631.60

Finding the Fourth Proportional to 84,570,404.40, 126,855,606.60 and 74,828,631.60

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Solution

The fourth proportional to 84,570,404.40, 126,855,606.60 and 74,828,631.60 is: 112,242,947.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,570,404.40 : 126,855,606.60 = 74,828,631.60 : x
  2. Step 2: Convert to fraction form
    84,570,404.40/126,855,606.60 = 74,828,631.60/x
  3. Step 3: Cross multiply
    84,570,404.40x = 126,855,606.60 × 74,828,631.60
  4. Step 4: Simplify right side
    84,570,404.40x = 9,492,431,452,665,928
  5. Step 5: Solve for x
    x = 9,492,431,452,665,928/84,570,404.40
  6. Step 6: Final answer
    x = 112,242,947.40

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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.