Home / 86,465,551.95-119,322,321.89-47,307,486.51

Finding the Fourth Proportional to 86,465,551.95, 119,322,321.89 and 47,307,486.51

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Solution

The fourth proportional to 86,465,551.95, 119,322,321.89 and 47,307,486.51 is: 65,284,254.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,465,551.95 : 119,322,321.89 = 47,307,486.51 : x
  2. Step 2: Convert to fraction form
    86,465,551.95/119,322,321.89 = 47,307,486.51/x
  3. Step 3: Cross multiply
    86,465,551.95x = 119,322,321.89 × 47,307,486.51
  4. Step 4: Simplify right side
    86,465,551.95x = 5,644,839,132,916,515
  5. Step 5: Solve for x
    x = 5,644,839,132,916,515/86,465,551.95
  6. Step 6: Final answer
    x = 65,284,254.89

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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.