Home / 45,494,705.40-68,242,058.10-13,147,663.20

Finding the Fourth Proportional to 45,494,705.40, 68,242,058.10 and 13,147,663.20

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Solution

The fourth proportional to 45,494,705.40, 68,242,058.10 and 13,147,663.20 is: 19,721,494.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,494,705.40 : 68,242,058.10 = 13,147,663.20 : x
  2. Step 2: Convert to fraction form
    45,494,705.40/68,242,058.10 = 13,147,663.20/x
  3. Step 3: Cross multiply
    45,494,705.40x = 68,242,058.10 × 13,147,663.20
  4. Step 4: Simplify right side
    45,494,705.40x = 897,223,595,973,631.75
  5. Step 5: Solve for x
    x = 897,223,595,973,631.75/45,494,705.40
  6. Step 6: Final answer
    x = 19,721,494.80

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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.