Home / 209,952,693.40-314,929,040.10-166,587,107.80

Finding the Fourth Proportional to 209,952,693.40, 314,929,040.10 and 166,587,107.80

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Solution

The fourth proportional to 209,952,693.40, 314,929,040.10 and 166,587,107.80 is: 249,880,661.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,693.40 : 314,929,040.10 = 166,587,107.80 : x
  2. Step 2: Convert to fraction form
    209,952,693.40/314,929,040.10 = 166,587,107.80/x
  3. Step 3: Cross multiply
    209,952,693.40x = 314,929,040.10 × 166,587,107.80
  4. Step 4: Simplify right side
    209,952,693.40x = 52,463,117,952,489,232
  5. Step 5: Solve for x
    x = 52,463,117,952,489,232/209,952,693.40
  6. Step 6: Final answer
    x = 249,880,661.70

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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.