Home / 123,700,596.57-170,702,146.56-68,699,996.01

Finding the Fourth Proportional to 123,700,596.57, 170,702,146.56 and 68,699,996.01

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Solution

The fourth proportional to 123,700,596.57, 170,702,146.56 and 68,699,996.01 is: 94,803,397.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,700,596.57 : 170,702,146.56 = 68,699,996.01 : x
  2. Step 2: Convert to fraction form
    123,700,596.57/170,702,146.56 = 68,699,996.01/x
  3. Step 3: Cross multiply
    123,700,596.57x = 170,702,146.56 × 68,699,996.01
  4. Step 4: Simplify right side
    123,700,596.57x = 11,727,236,787,570,436
  5. Step 5: Solve for x
    x = 11,727,236,787,570,436/123,700,596.57
  6. Step 6: Final answer
    x = 94,803,397.18

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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.