Home / 209,953,200.90-314,929,801.35-166,587,615.30

Finding the Fourth Proportional to 209,953,200.90, 314,929,801.35 and 166,587,615.30

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Solution

The fourth proportional to 209,953,200.90, 314,929,801.35 and 166,587,615.30 is: 249,881,422.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,200.90 : 314,929,801.35 = 166,587,615.30 : x
  2. Step 2: Convert to fraction form
    209,953,200.90/314,929,801.35 = 166,587,615.30/x
  3. Step 3: Cross multiply
    209,953,200.90x = 314,929,801.35 × 166,587,615.30
  4. Step 4: Simplify right side
    209,953,200.90x = 52,463,404,593,799,232
  5. Step 5: Solve for x
    x = 52,463,404,593,799,232/209,953,200.90
  6. Step 6: Final answer
    x = 249,881,422.95

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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.