Home / 210,472,334.90-290,453,701.55-116,392,847.79

Finding the Fourth Proportional to 210,472,334.90, 290,453,701.55 and 116,392,847.79

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Solution

The fourth proportional to 210,472,334.90, 290,453,701.55 and 116,392,847.79 is: 160,623,169.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,472,334.90 : 290,453,701.55 = 116,392,847.79 : x
  2. Step 2: Convert to fraction form
    210,472,334.90/290,453,701.55 = 116,392,847.79/x
  3. Step 3: Cross multiply
    210,472,334.90x = 290,453,701.55 × 116,392,847.79
  4. Step 4: Simplify right side
    210,472,334.90x = 33,806,733,473,969,276
  5. Step 5: Solve for x
    x = 33,806,733,473,969,276/210,472,334.90
  6. Step 6: Final answer
    x = 160,623,169.27

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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.