Home / 72,324,099,534.32-99,812,840,472.24-43,389,373,122.36

Finding the Fourth Proportional to 72,324,099,534.32, 99,812,840,472.24 and 43,389,373,122.36

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Solution

The fourth proportional to 72,324,099,534.32, 99,812,840,472.24 and 43,389,373,122.36 is: 59,880,684,385.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,324,099,534.32 : 99,812,840,472.24 = 43,389,373,122.36 : x
  2. Step 2: Convert to fraction form
    72,324,099,534.32/99,812,840,472.24 = 43,389,373,122.36/x
  3. Step 3: Cross multiply
    72,324,099,534.32x = 99,812,840,472.24 × 43,389,373,122.36
  4. Step 4: Simplify right side
    72,324,099,534.32x = 4,330,816,577,652,616,855,552
  5. Step 5: Solve for x
    x = 4,330,816,577,652,616,855,552/72,324,099,534.32
  6. Step 6: Final answer
    x = 59,880,684,385.12

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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.