Home / 66,065,792.40-99,098,688.60-43,107,541.20

Finding the Fourth Proportional to 66,065,792.40, 99,098,688.60 and 43,107,541.20

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Solution

The fourth proportional to 66,065,792.40, 99,098,688.60 and 43,107,541.20 is: 64,661,311.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,065,792.40 : 99,098,688.60 = 43,107,541.20 : x
  2. Step 2: Convert to fraction form
    66,065,792.40/99,098,688.60 = 43,107,541.20/x
  3. Step 3: Cross multiply
    66,065,792.40x = 99,098,688.60 × 43,107,541.20
  4. Step 4: Simplify right side
    66,065,792.40x = 4,271,900,801,690,470.50
  5. Step 5: Solve for x
    x = 4,271,900,801,690,470.50/66,065,792.40
  6. Step 6: Final answer
    x = 64,661,311.80

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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.