Home / 68,349,771-102,513,092.67-19,154,301.93

Finding the Fourth Proportional to 68,349,771, 102,513,092.67 and 19,154,301.93

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Solution

The fourth proportional to 68,349,771, 102,513,092.67 and 19,154,301.93 is: 28,728,212.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,349,771 : 102,513,092.67 = 19,154,301.93 : x
  2. Step 2: Convert to fraction form
    68,349,771/102,513,092.67 = 19,154,301.93/x
  3. Step 3: Cross multiply
    68,349,771x = 102,513,092.67 × 19,154,301.93
  4. Step 4: Simplify right side
    68,349,771x = 1,963,566,728,779,249.75
  5. Step 5: Solve for x
    x = 1,963,566,728,779,249.75/68,349,771
  6. Step 6: Final answer
    x = 28,728,212.25

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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.