Home / 112,291,216.10-168,436,824.15-31,512,184.10

Finding the Fourth Proportional to 112,291,216.10, 168,436,824.15 and 31,512,184.10

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Solution

The fourth proportional to 112,291,216.10, 168,436,824.15 and 31,512,184.10 is: 47,268,276.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,291,216.10 : 168,436,824.15 = 31,512,184.10 : x
  2. Step 2: Convert to fraction form
    112,291,216.10/168,436,824.15 = 31,512,184.10/x
  3. Step 3: Cross multiply
    112,291,216.10x = 168,436,824.15 × 31,512,184.10
  4. Step 4: Simplify right side
    112,291,216.10x = 5,307,812,211,834,126
  5. Step 5: Solve for x
    x = 5,307,812,211,834,126/112,291,216.10
  6. Step 6: Final answer
    x = 47,268,276.15

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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.