Home / 209,952,947.40-314,929,421.10-166,587,361.80

Finding the Fourth Proportional to 209,952,947.40, 314,929,421.10 and 166,587,361.80

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Solution

The fourth proportional to 209,952,947.40, 314,929,421.10 and 166,587,361.80 is: 249,881,042.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,947.40 : 314,929,421.10 = 166,587,361.80 : x
  2. Step 2: Convert to fraction form
    209,952,947.40/314,929,421.10 = 166,587,361.80/x
  3. Step 3: Cross multiply
    209,952,947.40x = 314,929,421.10 × 166,587,361.80
  4. Step 4: Simplify right side
    209,952,947.40x = 52,463,261,414,250,264
  5. Step 5: Solve for x
    x = 52,463,261,414,250,264/209,952,947.40
  6. Step 6: Final answer
    x = 249,881,042.70

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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.