Home / 112,846,474.02-155,745,156.08-68,819,012.60

Finding the Fourth Proportional to 112,846,474.02, 155,745,156.08 and 68,819,012.60

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Solution

The fourth proportional to 112,846,474.02, 155,745,156.08 and 68,819,012.60 is: 94,980,618.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,846,474.02 : 155,745,156.08 = 68,819,012.60 : x
  2. Step 2: Convert to fraction form
    112,846,474.02/155,745,156.08 = 68,819,012.60/x
  3. Step 3: Cross multiply
    112,846,474.02x = 155,745,156.08 × 68,819,012.60
  4. Step 4: Simplify right side
    112,846,474.02x = 10,718,227,858,051,808
  5. Step 5: Solve for x
    x = 10,718,227,858,051,808/112,846,474.02
  6. Step 6: Final answer
    x = 94,980,618.15

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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.