Home / 156,689,436.80-235,067,332.80-47,505,641.60

Finding the Fourth Proportional to 156,689,436.80, 235,067,332.80 and 47,505,641.60

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Solution

The fourth proportional to 156,689,436.80, 235,067,332.80 and 47,505,641.60 is: 71,268,521.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,689,436.80 : 235,067,332.80 = 47,505,641.60 : x
  2. Step 2: Convert to fraction form
    156,689,436.80/235,067,332.80 = 47,505,641.60/x
  3. Step 3: Cross multiply
    156,689,436.80x = 235,067,332.80 × 47,505,641.60
  4. Step 4: Simplify right side
    156,689,436.80x = 11,167,024,463,864,726
  5. Step 5: Solve for x
    x = 11,167,024,463,864,726/156,689,436.80
  6. Step 6: Final answer
    x = 71,268,521.30

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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.