Home / 112,337,150.40-168,505,725.60-69,066,043.20

Finding the Fourth Proportional to 112,337,150.40, 168,505,725.60 and 69,066,043.20

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Solution

The fourth proportional to 112,337,150.40, 168,505,725.60 and 69,066,043.20 is: 103,599,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,337,150.40 : 168,505,725.60 = 69,066,043.20 : x
  2. Step 2: Convert to fraction form
    112,337,150.40/168,505,725.60 = 69,066,043.20/x
  3. Step 3: Cross multiply
    112,337,150.40x = 168,505,725.60 × 69,066,043.20
  4. Step 4: Simplify right side
    112,337,150.40x = 11,638,023,723,736,946
  5. Step 5: Solve for x
    x = 11,638,023,723,736,946/112,337,150.40
  6. Step 6: Final answer
    x = 103,599,064.80

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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.