Home / 131,540,153,519.16-181,504,677,355.74-76,616,365,762.80

Finding the Fourth Proportional to 131,540,153,519.16, 181,504,677,355.74 and 76,616,365,762.80

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Solution

The fourth proportional to 131,540,153,519.16, 181,504,677,355.74 and 76,616,365,762.80 is: 105,718,507,816.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,540,153,519.16 : 181,504,677,355.74 = 76,616,365,762.80 : x
  2. Step 2: Convert to fraction form
    131,540,153,519.16/181,504,677,355.74 = 76,616,365,762.80/x
  3. Step 3: Cross multiply
    131,540,153,519.16x = 181,504,677,355.74 × 76,616,365,762.80
  4. Step 4: Simplify right side
    131,540,153,519.16x = 13,906,228,747,946,378,133,504
  5. Step 5: Solve for x
    x = 13,906,228,747,946,378,133,504/131,540,153,519.16
  6. Step 6: Final answer
    x = 105,718,507,816.10

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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.