Home / 109,156,686.30-163,735,029.45-107,721,795.60

Finding the Fourth Proportional to 109,156,686.30, 163,735,029.45 and 107,721,795.60

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Solution

The fourth proportional to 109,156,686.30, 163,735,029.45 and 107,721,795.60 is: 161,582,693.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,156,686.30 : 163,735,029.45 = 107,721,795.60 : x
  2. Step 2: Convert to fraction form
    109,156,686.30/163,735,029.45 = 107,721,795.60/x
  3. Step 3: Cross multiply
    109,156,686.30x = 163,735,029.45 × 107,721,795.60
  4. Step 4: Simplify right side
    109,156,686.30x = 17,637,831,374,972,878
  5. Step 5: Solve for x
    x = 17,637,831,374,972,878/109,156,686.30
  6. Step 6: Final answer
    x = 161,582,693.40

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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.