Home / 112,337,152.40-168,505,728.60-69,066,045.20

Finding the Fourth Proportional to 112,337,152.40, 168,505,728.60 and 69,066,045.20

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Solution

The fourth proportional to 112,337,152.40, 168,505,728.60 and 69,066,045.20 is: 103,599,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,337,152.40 : 168,505,728.60 = 69,066,045.20 : x
  2. Step 2: Convert to fraction form
    112,337,152.40/168,505,728.60 = 69,066,045.20/x
  3. Step 3: Cross multiply
    112,337,152.40x = 168,505,728.60 × 69,066,045.20
  4. Step 4: Simplify right side
    112,337,152.40x = 11,638,024,267,946,532
  5. Step 5: Solve for x
    x = 11,638,024,267,946,532/112,337,152.40
  6. Step 6: Final answer
    x = 103,599,067.80

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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.