Home / 74,880,140.80-112,320,211.20-62,786,905.60

Finding the Fourth Proportional to 74,880,140.80, 112,320,211.20 and 62,786,905.60

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Solution

The fourth proportional to 74,880,140.80, 112,320,211.20 and 62,786,905.60 is: 94,180,358.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,880,140.80 : 112,320,211.20 = 62,786,905.60 : x
  2. Step 2: Convert to fraction form
    74,880,140.80/112,320,211.20 = 62,786,905.60/x
  3. Step 3: Cross multiply
    74,880,140.80x = 112,320,211.20 × 62,786,905.60
  4. Step 4: Simplify right side
    74,880,140.80x = 7,052,238,497,586,463
  5. Step 5: Solve for x
    x = 7,052,238,497,586,463/74,880,140.80
  6. Step 6: Final answer
    x = 94,180,358.40

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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.