Home / 47,707,457.40-65,834,495.10-29,153,621.88

Finding the Fourth Proportional to 47,707,457.40, 65,834,495.10 and 29,153,621.88

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Solution

The fourth proportional to 47,707,457.40, 65,834,495.10 and 29,153,621.88 is: 40,230,900.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,707,457.40 : 65,834,495.10 = 29,153,621.88 : x
  2. Step 2: Convert to fraction form
    47,707,457.40/65,834,495.10 = 29,153,621.88/x
  3. Step 3: Cross multiply
    47,707,457.40x = 65,834,495.10 × 29,153,621.88
  4. Step 4: Simplify right side
    47,707,457.40x = 1,919,313,976,806,112.75
  5. Step 5: Solve for x
    x = 1,919,313,976,806,112.75/47,707,457.40
  6. Step 6: Final answer
    x = 40,230,900.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.