Home / 123,700,645.80-170,702,214.24-68,700,045.24

Finding the Fourth Proportional to 123,700,645.80, 170,702,214.24 and 68,700,045.24

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Solution

The fourth proportional to 123,700,645.80, 170,702,214.24 and 68,700,045.24 is: 94,803,464.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,700,645.80 : 170,702,214.24 = 68,700,045.24 : x
  2. Step 2: Convert to fraction form
    123,700,645.80/170,702,214.24 = 68,700,045.24/x
  3. Step 3: Cross multiply
    123,700,645.80x = 170,702,214.24 × 68,700,045.24
  4. Step 4: Simplify right side
    123,700,645.80x = 11,727,249,840,856,172
  5. Step 5: Solve for x
    x = 11,727,249,840,856,172/123,700,645.80
  6. Step 6: Final answer
    x = 94,803,464.97

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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.