Home / 171,072,570.80-256,608,856.20-103,048,122.80

Finding the Fourth Proportional to 171,072,570.80, 256,608,856.20 and 103,048,122.80

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Solution

The fourth proportional to 171,072,570.80, 256,608,856.20 and 103,048,122.80 is: 154,572,184.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,072,570.80 : 256,608,856.20 = 103,048,122.80 : x
  2. Step 2: Convert to fraction form
    171,072,570.80/256,608,856.20 = 103,048,122.80/x
  3. Step 3: Cross multiply
    171,072,570.80x = 256,608,856.20 × 103,048,122.80
  4. Step 4: Simplify right side
    171,072,570.80x = 26,443,060,925,265,140
  5. Step 5: Solve for x
    x = 26,443,060,925,265,140/171,072,570.80
  6. Step 6: Final answer
    x = 154,572,184.20

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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.