Home / 65,916,081.60-98,675,056.80-57,953,457.60

Finding the Fourth Proportional to 65,916,081.60, 98,675,056.80 and 57,953,457.60

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Solution

The fourth proportional to 65,916,081.60, 98,675,056.80 and 57,953,457.60 is: 86,755,167.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,916,081.60 : 98,675,056.80 = 57,953,457.60 : x
  2. Step 2: Convert to fraction form
    65,916,081.60/98,675,056.80 = 57,953,457.60/x
  3. Step 3: Cross multiply
    65,916,081.60x = 98,675,056.80 × 57,953,457.60
  4. Step 4: Simplify right side
    65,916,081.60x = 5,718,560,720,436,392
  5. Step 5: Solve for x
    x = 5,718,560,720,436,392/65,916,081.60
  6. Step 6: Final answer
    x = 86,755,167.81

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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.