Home / 185,640,963.48-278,461,496.82-69,041,084.81

Finding the Fourth Proportional to 185,640,963.48, 278,461,496.82 and 69,041,084.81

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Solution

The fourth proportional to 185,640,963.48, 278,461,496.82 and 69,041,084.81 is: 103,561,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,640,963.48 : 278,461,496.82 = 69,041,084.81 : x
  2. Step 2: Convert to fraction form
    185,640,963.48/278,461,496.82 = 69,041,084.81/x
  3. Step 3: Cross multiply
    185,640,963.48x = 278,461,496.82 × 69,041,084.81
  4. Step 4: Simplify right side
    185,640,963.48x = 19,225,283,816,876,860
  5. Step 5: Solve for x
    x = 19,225,283,816,876,860/185,640,963.48
  6. Step 6: Final answer
    x = 103,561,646.40

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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.