Home / 98,340,604.96-135,706,478.04-54,286,658.28

Finding the Fourth Proportional to 98,340,604.96, 135,706,478.04 and 54,286,658.28

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Solution

The fourth proportional to 98,340,604.96, 135,706,478.04 and 54,286,658.28 is: 74,913,624.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,340,604.96 : 135,706,478.04 = 54,286,658.28 : x
  2. Step 2: Convert to fraction form
    98,340,604.96/135,706,478.04 = 54,286,658.28/x
  3. Step 3: Cross multiply
    98,340,604.96x = 135,706,478.04 × 54,286,658.28
  4. Step 4: Simplify right side
    98,340,604.96x = 7,367,051,199,739,804
  5. Step 5: Solve for x
    x = 7,367,051,199,739,804/98,340,604.96
  6. Step 6: Final answer
    x = 74,913,624.97

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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.