Home / 86,526,554.03-119,406,650.39-47,368,330.78

Finding the Fourth Proportional to 86,526,554.03, 119,406,650.39 and 47,368,330.78

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Solution

The fourth proportional to 86,526,554.03, 119,406,650.39 and 47,368,330.78 is: 65,368,299.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,526,554.03 : 119,406,650.39 = 47,368,330.78 : x
  2. Step 2: Convert to fraction form
    86,526,554.03/119,406,650.39 = 47,368,330.78/x
  3. Step 3: Cross multiply
    86,526,554.03x = 119,406,650.39 × 47,368,330.78
  4. Step 4: Simplify right side
    86,526,554.03x = 5,656,093,712,171,461
  5. Step 5: Solve for x
    x = 5,656,093,712,171,461/86,526,554.03
  6. Step 6: Final answer
    x = 65,368,299.66

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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.