Home / 115,783,758.50-159,783,871.92-63,572,337.48

Finding the Fourth Proportional to 115,783,758.50, 159,783,871.92 and 63,572,337.48

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Solution

The fourth proportional to 115,783,758.50, 159,783,871.92 and 63,572,337.48 is: 87,731,080.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,783,758.50 : 159,783,871.92 = 63,572,337.48 : x
  2. Step 2: Convert to fraction form
    115,783,758.50/159,783,871.92 = 63,572,337.48/x
  3. Step 3: Cross multiply
    115,783,758.50x = 159,783,871.92 × 63,572,337.48
  4. Step 4: Simplify right side
    115,783,758.50x = 10,157,834,229,559,334
  5. Step 5: Solve for x
    x = 10,157,834,229,559,334/115,783,758.50
  6. Step 6: Final answer
    x = 87,731,080.43

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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.