Home / 74,790,561.07-102,462,590.78-71,993,740.95

Finding the Fourth Proportional to 74,790,561.07, 102,462,590.78 and 71,993,740.95

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Solution

The fourth proportional to 74,790,561.07, 102,462,590.78 and 71,993,740.95 is: 98,630,965.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,790,561.07 : 102,462,590.78 = 71,993,740.95 : x
  2. Step 2: Convert to fraction form
    74,790,561.07/102,462,590.78 = 71,993,740.95/x
  3. Step 3: Cross multiply
    74,790,561.07x = 102,462,590.78 × 71,993,740.95
  4. Step 4: Simplify right side
    74,790,561.07x = 7,376,665,218,225,881
  5. Step 5: Solve for x
    x = 7,376,665,218,225,881/74,790,561.07
  6. Step 6: Final answer
    x = 98,630,965.09

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.