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Finding the Fourth Proportional to 38,880,180.80, 58,320,271.20 and 38,880,180.80

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Solution

The fourth proportional to 38,880,180.80, 58,320,271.20 and 38,880,180.80 is: 58,320,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,880,180.80 : 58,320,271.20 = 38,880,180.80 : x
  2. Step 2: Convert to fraction form
    38,880,180.80/58,320,271.20 = 38,880,180.80/x
  3. Step 3: Cross multiply
    38,880,180.80x = 58,320,271.20 × 38,880,180.80
  4. Step 4: Simplify right side
    38,880,180.80x = 2,267,502,688,561,033
  5. Step 5: Solve for x
    x = 2,267,502,688,561,033/38,880,180.80
  6. Step 6: Final answer
    x = 58,320,271.20

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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.