Home / 122,142,687.64-183,213,914.82-31,266,130.84

Finding the Fourth Proportional to 122,142,687.64, 183,213,914.82 and 31,266,130.84

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Solution

The fourth proportional to 122,142,687.64, 183,213,914.82 and 31,266,130.84 is: 46,899,166.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,142,687.64 : 183,213,914.82 = 31,266,130.84 : x
  2. Step 2: Convert to fraction form
    122,142,687.64/183,213,914.82 = 31,266,130.84/x
  3. Step 3: Cross multiply
    122,142,687.64x = 183,213,914.82 × 31,266,130.84
  4. Step 4: Simplify right side
    122,142,687.64x = 5,728,390,232,470,735
  5. Step 5: Solve for x
    x = 5,728,390,232,470,735/122,142,687.64
  6. Step 6: Final answer
    x = 46,899,166.40

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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.