Home / 105,058,923.40-157,612,004.70-61,905,914.20

Finding the Fourth Proportional to 105,058,923.40, 157,612,004.70 and 61,905,914.20

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Solution

The fourth proportional to 105,058,923.40, 157,612,004.70 and 61,905,914.20 is: 92,872,789.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,058,923.40 : 157,612,004.70 = 61,905,914.20 : x
  2. Step 2: Convert to fraction form
    105,058,923.40/157,612,004.70 = 61,905,914.20/x
  3. Step 3: Cross multiply
    105,058,923.40x = 157,612,004.70 × 61,905,914.20
  4. Step 4: Simplify right side
    105,058,923.40x = 9,757,115,239,848,196
  5. Step 5: Solve for x
    x = 9,757,115,239,848,196/105,058,923.40
  6. Step 6: Final answer
    x = 92,872,789.14

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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.