Home / 65,529,238.72-90,448,338-38,036,024.32

Finding the Fourth Proportional to 65,529,238.72, 90,448,338 and 38,036,024.32

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Solution

The fourth proportional to 65,529,238.72, 90,448,338 and 38,036,024.32 is: 52,500,154.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,529,238.72 : 90,448,338 = 38,036,024.32 : x
  2. Step 2: Convert to fraction form
    65,529,238.72/90,448,338 = 38,036,024.32/x
  3. Step 3: Cross multiply
    65,529,238.72x = 90,448,338 × 38,036,024.32
  4. Step 4: Simplify right side
    65,529,238.72x = 3,440,295,183,871,580
  5. Step 5: Solve for x
    x = 3,440,295,183,871,580/65,529,238.72
  6. Step 6: Final answer
    x = 52,500,154.91

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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.