Home / 156,007,067.60-234,010,601.40-79,479,563.60

Finding the Fourth Proportional to 156,007,067.60, 234,010,601.40 and 79,479,563.60

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Solution

The fourth proportional to 156,007,067.60, 234,010,601.40 and 79,479,563.60 is: 119,219,345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,007,067.60 : 234,010,601.40 = 79,479,563.60 : x
  2. Step 2: Convert to fraction form
    156,007,067.60/234,010,601.40 = 79,479,563.60/x
  3. Step 3: Cross multiply
    156,007,067.60x = 234,010,601.40 × 79,479,563.60
  4. Step 4: Simplify right side
    156,007,067.60x = 18,599,060,477,045,548
  5. Step 5: Solve for x
    x = 18,599,060,477,045,548/156,007,067.60
  6. Step 6: Final answer
    x = 119,219,345.40

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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.