Home / 147,018,183.40-220,191,351.90-86,552,007.40

Finding the Fourth Proportional to 147,018,183.40, 220,191,351.90 and 86,552,007.40

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Solution

The fourth proportional to 147,018,183.40, 220,191,351.90 and 86,552,007.40 is: 129,630,247.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,018,183.40 : 220,191,351.90 = 86,552,007.40 : x
  2. Step 2: Convert to fraction form
    147,018,183.40/220,191,351.90 = 86,552,007.40/x
  3. Step 3: Cross multiply
    147,018,183.40x = 220,191,351.90 × 86,552,007.40
  4. Step 4: Simplify right side
    147,018,183.40x = 19,058,003,519,064,804
  5. Step 5: Solve for x
    x = 19,058,003,519,064,804/147,018,183.40
  6. Step 6: Final answer
    x = 129,630,247.62

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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.