Home / 209,127,225.60-313,989,436.80-118,427,961.60

Finding the Fourth Proportional to 209,127,225.60, 313,989,436.80 and 118,427,961.60

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Solution

The fourth proportional to 209,127,225.60, 313,989,436.80 and 118,427,961.60 is: 177,811,037.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,127,225.60 : 313,989,436.80 = 118,427,961.60 : x
  2. Step 2: Convert to fraction form
    209,127,225.60/313,989,436.80 = 118,427,961.60/x
  3. Step 3: Cross multiply
    209,127,225.60x = 313,989,436.80 × 118,427,961.60
  4. Step 4: Simplify right side
    209,127,225.60x = 37,185,128,964,156,024
  5. Step 5: Solve for x
    x = 37,185,128,964,156,024/209,127,225.60
  6. Step 6: Final answer
    x = 177,811,037.55

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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.