Home / 139,644,690.36-192,707,318.32-76,926,655.10

Finding the Fourth Proportional to 139,644,690.36, 192,707,318.32 and 76,926,655.10

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Solution

The fourth proportional to 139,644,690.36, 192,707,318.32 and 76,926,655.10 is: 106,157,487.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,644,690.36 : 192,707,318.32 = 76,926,655.10 : x
  2. Step 2: Convert to fraction form
    139,644,690.36/192,707,318.32 = 76,926,655.10/x
  3. Step 3: Cross multiply
    139,644,690.36x = 192,707,318.32 × 76,926,655.10
  4. Step 4: Simplify right side
    139,644,690.36x = 14,824,329,411,613,042
  5. Step 5: Solve for x
    x = 14,824,329,411,613,042/139,644,690.36
  6. Step 6: Final answer
    x = 106,157,487.08

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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.