Home / 189,592,250.49-261,624,090.51-107,070,092.01

Finding the Fourth Proportional to 189,592,250.49, 261,624,090.51 and 107,070,092.01

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Solution

The fourth proportional to 189,592,250.49, 261,624,090.51 and 107,070,092.01 is: 147,749,263.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,592,250.49 : 261,624,090.51 = 107,070,092.01 : x
  2. Step 2: Convert to fraction form
    189,592,250.49/261,624,090.51 = 107,070,092.01/x
  3. Step 3: Cross multiply
    189,592,250.49x = 261,624,090.51 × 107,070,092.01
  4. Step 4: Simplify right side
    189,592,250.49x = 28,012,115,442,938,268
  5. Step 5: Solve for x
    x = 28,012,115,442,938,268/189,592,250.49
  6. Step 6: Final answer
    x = 147,749,263.86

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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.