Home / 125,133,090.40-187,699,635.60-73,988,783.20

Finding the Fourth Proportional to 125,133,090.40, 187,699,635.60 and 73,988,783.20

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Solution

The fourth proportional to 125,133,090.40, 187,699,635.60 and 73,988,783.20 is: 110,983,174.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,133,090.40 : 187,699,635.60 = 73,988,783.20 : x
  2. Step 2: Convert to fraction form
    125,133,090.40/187,699,635.60 = 73,988,783.20/x
  3. Step 3: Cross multiply
    125,133,090.40x = 187,699,635.60 × 73,988,783.20
  4. Step 4: Simplify right side
    125,133,090.40x = 13,887,667,645,127,402
  5. Step 5: Solve for x
    x = 13,887,667,645,127,402/125,133,090.40
  6. Step 6: Final answer
    x = 110,983,174.80

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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.