Home / 109,307,099.60-163,960,649.40-28,528,067.60

Finding the Fourth Proportional to 109,307,099.60, 163,960,649.40 and 28,528,067.60

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Solution

The fourth proportional to 109,307,099.60, 163,960,649.40 and 28,528,067.60 is: 42,792,101.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,307,099.60 : 163,960,649.40 = 28,528,067.60 : x
  2. Step 2: Convert to fraction form
    109,307,099.60/163,960,649.40 = 28,528,067.60/x
  3. Step 3: Cross multiply
    109,307,099.60x = 163,960,649.40 × 28,528,067.60
  4. Step 4: Simplify right side
    109,307,099.60x = 4,677,480,489,823,100
  5. Step 5: Solve for x
    x = 4,677,480,489,823,100/109,307,099.60
  6. Step 6: Final answer
    x = 42,792,101.40

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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.