Home / 127,802,912.10-191,704,368.15-112,019,114.40

Finding the Fourth Proportional to 127,802,912.10, 191,704,368.15 and 112,019,114.40

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Solution

The fourth proportional to 127,802,912.10, 191,704,368.15 and 112,019,114.40 is: 168,028,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,802,912.10 : 191,704,368.15 = 112,019,114.40 : x
  2. Step 2: Convert to fraction form
    127,802,912.10/191,704,368.15 = 112,019,114.40/x
  3. Step 3: Cross multiply
    127,802,912.10x = 191,704,368.15 × 112,019,114.40
  4. Step 4: Simplify right side
    127,802,912.10x = 21,474,553,546,774,568
  5. Step 5: Solve for x
    x = 21,474,553,546,774,568/127,802,912.10
  6. Step 6: Final answer
    x = 168,028,671.60

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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.