Home / 170,815,623.40-256,223,435.10-162,879,437.80

Finding the Fourth Proportional to 170,815,623.40, 256,223,435.10 and 162,879,437.80

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Solution

The fourth proportional to 170,815,623.40, 256,223,435.10 and 162,879,437.80 is: 244,319,156.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,815,623.40 : 256,223,435.10 = 162,879,437.80 : x
  2. Step 2: Convert to fraction form
    170,815,623.40/256,223,435.10 = 162,879,437.80/x
  3. Step 3: Cross multiply
    170,815,623.40x = 256,223,435.10 × 162,879,437.80
  4. Step 4: Simplify right side
    170,815,623.40x = 41,733,529,060,272,792
  5. Step 5: Solve for x
    x = 41,733,529,060,272,792/170,815,623.40
  6. Step 6: Final answer
    x = 244,319,156.70

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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.