Home / 78,664,386.30-108,557,307.99-43,859,243.58

Finding the Fourth Proportional to 78,664,386.30, 108,557,307.99 and 43,859,243.58

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Solution

The fourth proportional to 78,664,386.30, 108,557,307.99 and 43,859,243.58 is: 60,526,009.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,664,386.30 : 108,557,307.99 = 43,859,243.58 : x
  2. Step 2: Convert to fraction form
    78,664,386.30/108,557,307.99 = 43,859,243.58/x
  3. Step 3: Cross multiply
    78,664,386.30x = 108,557,307.99 × 43,859,243.58
  4. Step 4: Simplify right side
    78,664,386.30x = 4,761,241,413,522,490
  5. Step 5: Solve for x
    x = 4,761,241,413,522,490/78,664,386.30
  6. Step 6: Final answer
    x = 60,526,009.77

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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.