Home / 64,743,503.80-97,115,255.70-57,689,116.60

Finding the Fourth Proportional to 64,743,503.80, 97,115,255.70 and 57,689,116.60

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Solution

The fourth proportional to 64,743,503.80, 97,115,255.70 and 57,689,116.60 is: 86,533,674.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,743,503.80 : 97,115,255.70 = 57,689,116.60 : x
  2. Step 2: Convert to fraction form
    64,743,503.80/97,115,255.70 = 57,689,116.60/x
  3. Step 3: Cross multiply
    64,743,503.80x = 97,115,255.70 × 57,689,116.60
  4. Step 4: Simplify right side
    64,743,503.80x = 5,602,493,309,716,115
  5. Step 5: Solve for x
    x = 5,602,493,309,716,115/64,743,503.80
  6. Step 6: Final answer
    x = 86,533,674.90

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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.