Home / 190,090,082.17-285,255,066.52-80,915,074.97

Finding the Fourth Proportional to 190,090,082.17, 285,255,066.52 and 80,915,074.97

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Solution

The fourth proportional to 190,090,082.17, 285,255,066.52 and 80,915,074.97 is: 121,423,668.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,090,082.17 : 285,255,066.52 = 80,915,074.97 : x
  2. Step 2: Convert to fraction form
    190,090,082.17/285,255,066.52 = 80,915,074.97/x
  3. Step 3: Cross multiply
    190,090,082.17x = 285,255,066.52 × 80,915,074.97
  4. Step 4: Simplify right side
    190,090,082.17x = 23,081,435,093,038,136
  5. Step 5: Solve for x
    x = 23,081,435,093,038,136/190,090,082.17
  6. Step 6: Final answer
    x = 121,423,668.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.