Home / 137,823,883.20-206,735,824.80-61,154,661.60

Finding the Fourth Proportional to 137,823,883.20, 206,735,824.80 and 61,154,661.60

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Solution

The fourth proportional to 137,823,883.20, 206,735,824.80 and 61,154,661.60 is: 91,731,992.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,823,883.20 : 206,735,824.80 = 61,154,661.60 : x
  2. Step 2: Convert to fraction form
    137,823,883.20/206,735,824.80 = 61,154,661.60/x
  3. Step 3: Cross multiply
    137,823,883.20x = 206,735,824.80 × 61,154,661.60
  4. Step 4: Simplify right side
    137,823,883.20x = 12,642,859,406,240,888
  5. Step 5: Solve for x
    x = 12,642,859,406,240,888/137,823,883.20
  6. Step 6: Final answer
    x = 91,731,992.40

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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.