Home / 139,404,342.40-209,106,513.60-71,224,374.40

Finding the Fourth Proportional to 139,404,342.40, 209,106,513.60 and 71,224,374.40

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Solution

The fourth proportional to 139,404,342.40, 209,106,513.60 and 71,224,374.40 is: 106,836,561.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,404,342.40 : 209,106,513.60 = 71,224,374.40 : x
  2. Step 2: Convert to fraction form
    139,404,342.40/209,106,513.60 = 71,224,374.40/x
  3. Step 3: Cross multiply
    139,404,342.40x = 209,106,513.60 × 71,224,374.40
  4. Step 4: Simplify right side
    139,404,342.40x = 14,893,480,614,125,092
  5. Step 5: Solve for x
    x = 14,893,480,614,125,092/139,404,342.40
  6. Step 6: Final answer
    x = 106,836,561.60

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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.