Home / 145,158,400.80-217,737,601.20-119,628,237.60

Finding the Fourth Proportional to 145,158,400.80, 217,737,601.20 and 119,628,237.60

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Solution

The fourth proportional to 145,158,400.80, 217,737,601.20 and 119,628,237.60 is: 179,442,356.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,158,400.80 : 217,737,601.20 = 119,628,237.60 : x
  2. Step 2: Convert to fraction form
    145,158,400.80/217,737,601.20 = 119,628,237.60/x
  3. Step 3: Cross multiply
    145,158,400.80x = 217,737,601.20 × 119,628,237.60
  4. Step 4: Simplify right side
    145,158,400.80x = 26,047,565,490,807,644
  5. Step 5: Solve for x
    x = 26,047,565,490,807,644/145,158,400.80
  6. Step 6: Final answer
    x = 179,442,356.40

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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.