Home / 112,099,472.40-168,149,208.60-89,424,656.40

Finding the Fourth Proportional to 112,099,472.40, 168,149,208.60 and 89,424,656.40

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Solution

The fourth proportional to 112,099,472.40, 168,149,208.60 and 89,424,656.40 is: 134,136,984.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,099,472.40 : 168,149,208.60 = 89,424,656.40 : x
  2. Step 2: Convert to fraction form
    112,099,472.40/168,149,208.60 = 89,424,656.40/x
  3. Step 3: Cross multiply
    112,099,472.40x = 168,149,208.60 × 89,424,656.40
  4. Step 4: Simplify right side
    112,099,472.40x = 15,036,685,202,986,926
  5. Step 5: Solve for x
    x = 15,036,685,202,986,926/112,099,472.40
  6. Step 6: Final answer
    x = 134,136,984.60

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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.