Home / 92,351,031.87-127,445,914.95-50,538,730.20

Finding the Fourth Proportional to 92,351,031.87, 127,445,914.95 and 50,538,730.20

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Solution

The fourth proportional to 92,351,031.87, 127,445,914.95 and 50,538,730.20 is: 69,744,263.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,351,031.87 : 127,445,914.95 = 50,538,730.20 : x
  2. Step 2: Convert to fraction form
    92,351,031.87/127,445,914.95 = 50,538,730.20/x
  3. Step 3: Cross multiply
    92,351,031.87x = 127,445,914.95 × 50,538,730.20
  4. Step 4: Simplify right side
    92,351,031.87x = 6,440,954,710,750,197
  5. Step 5: Solve for x
    x = 6,440,954,710,750,197/92,351,031.87
  6. Step 6: Final answer
    x = 69,744,263.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.