Home / 112,100,802.90-168,151,204.35-89,425,986.90

Finding the Fourth Proportional to 112,100,802.90, 168,151,204.35 and 89,425,986.90

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Solution

The fourth proportional to 112,100,802.90, 168,151,204.35 and 89,425,986.90 is: 134,138,980.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,100,802.90 : 168,151,204.35 = 89,425,986.90 : x
  2. Step 2: Convert to fraction form
    112,100,802.90/168,151,204.35 = 89,425,986.90/x
  3. Step 3: Cross multiply
    112,100,802.90x = 168,151,204.35 × 89,425,986.90
  4. Step 4: Simplify right side
    112,100,802.90x = 15,037,087,397,422,324
  5. Step 5: Solve for x
    x = 15,037,087,397,422,324/112,100,802.90
  6. Step 6: Final answer
    x = 134,138,980.35

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Similar ratio
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1.5x scale

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.