Home / 98,119,167.35-135,407,339.24-54,069,003.72

Finding the Fourth Proportional to 98,119,167.35, 135,407,339.24 and 54,069,003.72

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Solution

The fourth proportional to 98,119,167.35, 135,407,339.24 and 54,069,003.72 is: 74,616,816.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,119,167.35 : 135,407,339.24 = 54,069,003.72 : x
  2. Step 2: Convert to fraction form
    98,119,167.35/135,407,339.24 = 54,069,003.72/x
  3. Step 3: Cross multiply
    98,119,167.35x = 135,407,339.24 × 54,069,003.72
  4. Step 4: Simplify right side
    98,119,167.35x = 7,321,339,928,812,518
  5. Step 5: Solve for x
    x = 7,321,339,928,812,518/98,119,167.35
  6. Step 6: Final answer
    x = 74,616,816.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.