Home / 65,088,979.25-89,816,854.46-38,622,772.35

Finding the Fourth Proportional to 65,088,979.25, 89,816,854.46 and 38,622,772.35

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Solution

The fourth proportional to 65,088,979.25, 89,816,854.46 and 38,622,772.35 is: 53,295,902.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,088,979.25 : 89,816,854.46 = 38,622,772.35 : x
  2. Step 2: Convert to fraction form
    65,088,979.25/89,816,854.46 = 38,622,772.35/x
  3. Step 3: Cross multiply
    65,088,979.25x = 89,816,854.46 × 38,622,772.35
  4. Step 4: Simplify right side
    65,088,979.25x = 3,468,975,922,808,548.50
  5. Step 5: Solve for x
    x = 3,468,975,922,808,548.50/65,088,979.25
  6. Step 6: Final answer
    x = 53,295,902.98

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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.