Home / 123,700,583.07-170,702,127.95-68,699,982.51

Finding the Fourth Proportional to 123,700,583.07, 170,702,127.95 and 68,699,982.51

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Solution

The fourth proportional to 123,700,583.07, 170,702,127.95 and 68,699,982.51 is: 94,803,378.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,700,583.07 : 170,702,127.95 = 68,699,982.51 : x
  2. Step 2: Convert to fraction form
    123,700,583.07/170,702,127.95 = 68,699,982.51/x
  3. Step 3: Cross multiply
    123,700,583.07x = 170,702,127.95 × 68,699,982.51
  4. Step 4: Simplify right side
    123,700,583.07x = 11,727,233,204,241,282
  5. Step 5: Solve for x
    x = 11,727,233,204,241,282/123,700,583.07
  6. Step 6: Final answer
    x = 94,803,378.55

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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.