Home / 69,897,216.40-104,845,824.60-39,664,128.40

Finding the Fourth Proportional to 69,897,216.40, 104,845,824.60 and 39,664,128.40

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Solution

The fourth proportional to 69,897,216.40, 104,845,824.60 and 39,664,128.40 is: 59,496,192.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,897,216.40 : 104,845,824.60 = 39,664,128.40 : x
  2. Step 2: Convert to fraction form
    69,897,216.40/104,845,824.60 = 39,664,128.40/x
  3. Step 3: Cross multiply
    69,897,216.40x = 104,845,824.60 × 39,664,128.40
  4. Step 4: Simplify right side
    69,897,216.40x = 4,158,618,249,138,278
  5. Step 5: Solve for x
    x = 4,158,618,249,138,278/69,897,216.40
  6. Step 6: Final answer
    x = 59,496,192.60

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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.