Home / 145,119,079.91-200,397,416.98-92,213,224.40

Finding the Fourth Proportional to 145,119,079.91, 200,397,416.98 and 92,213,224.40

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Solution

The fourth proportional to 145,119,079.91, 200,397,416.98 and 92,213,224.40 is: 127,338,817.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,119,079.91 : 200,397,416.98 = 92,213,224.40 : x
  2. Step 2: Convert to fraction form
    145,119,079.91/200,397,416.98 = 92,213,224.40/x
  3. Step 3: Cross multiply
    145,119,079.91x = 200,397,416.98 × 92,213,224.40
  4. Step 4: Simplify right side
    145,119,079.91x = 18,479,291,981,157,112
  5. Step 5: Solve for x
    x = 18,479,291,981,157,112/145,119,079.91
  6. Step 6: Final answer
    x = 127,338,817.15

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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.