Home / 145,158,400.80-217,737,601.20-133,569,050.40

Finding the Fourth Proportional to 145,158,400.80, 217,737,601.20 and 133,569,050.40

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Solution

The fourth proportional to 145,158,400.80, 217,737,601.20 and 133,569,050.40 is: 200,353,575.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,158,400.80 : 217,737,601.20 = 133,569,050.40 : x
  2. Step 2: Convert to fraction form
    145,158,400.80/217,737,601.20 = 133,569,050.40/x
  3. Step 3: Cross multiply
    145,158,400.80x = 217,737,601.20 × 133,569,050.40
  4. Step 4: Simplify right side
    145,158,400.80x = 29,083,004,628,657,900
  5. Step 5: Solve for x
    x = 29,083,004,628,657,900/145,158,400.80
  6. Step 6: Final answer
    x = 200,353,575.60

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1.5x scale

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.