Home / 282,103,343.70-423,155,015.55-261,696,009.30

Finding the Fourth Proportional to 282,103,343.70, 423,155,015.55 and 261,696,009.30

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Solution

The fourth proportional to 282,103,343.70, 423,155,015.55 and 261,696,009.30 is: 392,544,013.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,103,343.70 : 423,155,015.55 = 261,696,009.30 : x
  2. Step 2: Convert to fraction form
    282,103,343.70/423,155,015.55 = 261,696,009.30/x
  3. Step 3: Cross multiply
    282,103,343.70x = 423,155,015.55 × 261,696,009.30
  4. Step 4: Simplify right side
    282,103,343.70x = 110,737,978,884,714,448
  5. Step 5: Solve for x
    x = 110,737,978,884,714,448/282,103,343.70
  6. Step 6: Final answer
    x = 392,544,013.95

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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.