Home / 65,244,136.24-90,039,502.20-35,877,876.40

Finding the Fourth Proportional to 65,244,136.24, 90,039,502.20 and 35,877,876.40

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Solution

The fourth proportional to 65,244,136.24, 90,039,502.20 and 35,877,876.40 is: 49,512,895.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,244,136.24 : 90,039,502.20 = 35,877,876.40 : x
  2. Step 2: Convert to fraction form
    65,244,136.24/90,039,502.20 = 35,877,876.40/x
  3. Step 3: Cross multiply
    65,244,136.24x = 90,039,502.20 × 35,877,876.40
  4. Step 4: Simplify right side
    65,244,136.24x = 3,230,426,131,049,128
  5. Step 5: Solve for x
    x = 3,230,426,131,049,128/65,244,136.24
  6. Step 6: Final answer
    x = 49,512,895.98

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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.