Home / 109,307,113.60-163,960,670.40-28,528,081.60

Finding the Fourth Proportional to 109,307,113.60, 163,960,670.40 and 28,528,081.60

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Solution

The fourth proportional to 109,307,113.60, 163,960,670.40 and 28,528,081.60 is: 42,792,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,307,113.60 : 163,960,670.40 = 28,528,081.60 : x
  2. Step 2: Convert to fraction form
    109,307,113.60/163,960,670.40 = 28,528,081.60/x
  3. Step 3: Cross multiply
    109,307,113.60x = 163,960,670.40 × 28,528,081.60
  4. Step 4: Simplify right side
    109,307,113.60x = 4,677,483,384,361,905
  5. Step 5: Solve for x
    x = 4,677,483,384,361,905/109,307,113.60
  6. Step 6: Final answer
    x = 42,792,122.40

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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.