Home / 55,301,389.20-82,952,083.80-43,880,000.40

Finding the Fourth Proportional to 55,301,389.20, 82,952,083.80 and 43,880,000.40

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Solution

The fourth proportional to 55,301,389.20, 82,952,083.80 and 43,880,000.40 is: 65,820,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,301,389.20 : 82,952,083.80 = 43,880,000.40 : x
  2. Step 2: Convert to fraction form
    55,301,389.20/82,952,083.80 = 43,880,000.40/x
  3. Step 3: Cross multiply
    55,301,389.20x = 82,952,083.80 × 43,880,000.40
  4. Step 4: Simplify right side
    55,301,389.20x = 3,639,937,470,324,833.50
  5. Step 5: Solve for x
    x = 3,639,937,470,324,833.50/55,301,389.20
  6. Step 6: Final answer
    x = 65,820,000.60

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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.