Home / 112,101,200.90-168,151,801.35-83,403,386.90

Finding the Fourth Proportional to 112,101,200.90, 168,151,801.35 and 83,403,386.90

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Solution

The fourth proportional to 112,101,200.90, 168,151,801.35 and 83,403,386.90 is: 125,105,080.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,101,200.90 : 168,151,801.35 = 83,403,386.90 : x
  2. Step 2: Convert to fraction form
    112,101,200.90/168,151,801.35 = 83,403,386.90/x
  3. Step 3: Cross multiply
    112,101,200.90x = 168,151,801.35 × 83,403,386.90
  4. Step 4: Simplify right side
    112,101,200.90x = 14,024,429,745,925,992
  5. Step 5: Solve for x
    x = 14,024,429,745,925,992/112,101,200.90
  6. Step 6: Final answer
    x = 125,105,080.35

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Double scale
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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.