Home / 119,085,895.20-178,628,842.80-118,078,125.60

Finding the Fourth Proportional to 119,085,895.20, 178,628,842.80 and 118,078,125.60

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Solution

The fourth proportional to 119,085,895.20, 178,628,842.80 and 118,078,125.60 is: 177,117,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,085,895.20 : 178,628,842.80 = 118,078,125.60 : x
  2. Step 2: Convert to fraction form
    119,085,895.20/178,628,842.80 = 118,078,125.60/x
  3. Step 3: Cross multiply
    119,085,895.20x = 178,628,842.80 × 118,078,125.60
  4. Step 4: Simplify right side
    119,085,895.20x = 21,092,158,935,921,056
  5. Step 5: Solve for x
    x = 21,092,158,935,921,056/119,085,895.20
  6. Step 6: Final answer
    x = 177,117,188.40

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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.