Home / 71,142,302,723.54-98,175,796,678.20-38,589,434,883.53

Finding the Fourth Proportional to 71,142,302,723.54, 98,175,796,678.20 and 38,589,434,883.53

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Solution

The fourth proportional to 71,142,302,723.54, 98,175,796,678.20 and 38,589,434,883.53 is: 53,253,104,946.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,142,302,723.54 : 98,175,796,678.20 = 38,589,434,883.53 : x
  2. Step 2: Convert to fraction form
    71,142,302,723.54/98,175,796,678.20 = 38,589,434,883.53/x
  3. Step 3: Cross multiply
    71,142,302,723.54x = 98,175,796,678.20 × 38,589,434,883.53
  4. Step 4: Simplify right side
    71,142,302,723.54x = 3,788,548,513,052,079,685,632
  5. Step 5: Solve for x
    x = 3,788,548,513,052,079,685,632/71,142,302,723.54
  6. Step 6: Final answer
    x = 53,253,104,946.22

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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.