Home / 155,063,363.78-232,454,265.08-77,364,032.37

Finding the Fourth Proportional to 155,063,363.78, 232,454,265.08 and 77,364,032.37

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Solution

The fourth proportional to 155,063,363.78, 232,454,265.08 and 77,364,032.37 is: 115,975,810.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,063,363.78 : 232,454,265.08 = 77,364,032.37 : x
  2. Step 2: Convert to fraction form
    155,063,363.78/232,454,265.08 = 77,364,032.37/x
  3. Step 3: Cross multiply
    155,063,363.78x = 232,454,265.08 × 77,364,032.37
  4. Step 4: Simplify right side
    155,063,363.78x = 17,983,599,287,806,860
  5. Step 5: Solve for x
    x = 17,983,599,287,806,860/155,063,363.78
  6. Step 6: Final answer
    x = 115,975,810.47

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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.