Home / 72,324,099,523.08-99,812,840,456.73-43,389,373,111.10

Finding the Fourth Proportional to 72,324,099,523.08, 99,812,840,456.73 and 43,389,373,111.10

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Solution

The fourth proportional to 72,324,099,523.08, 99,812,840,456.73 and 43,389,373,111.10 is: 59,880,684,369.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,324,099,523.08 : 99,812,840,456.73 = 43,389,373,111.10 : x
  2. Step 2: Convert to fraction form
    72,324,099,523.08/99,812,840,456.73 = 43,389,373,111.10/x
  3. Step 3: Cross multiply
    72,324,099,523.08x = 99,812,840,456.73 × 43,389,373,111.10
  4. Step 4: Simplify right side
    72,324,099,523.08x = 4,330,816,575,855,255,879,680
  5. Step 5: Solve for x
    x = 4,330,816,575,855,255,879,680/72,324,099,523.08
  6. Step 6: Final answer
    x = 59,880,684,369.57

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Double scale
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1.5x scale

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.