Home / 86,342,146.09-119,153,727.35-47,185,579.69

Finding the Fourth Proportional to 86,342,146.09, 119,153,727.35 and 47,185,579.69

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Solution

The fourth proportional to 86,342,146.09, 119,153,727.35 and 47,185,579.69 is: 65,116,955.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,342,146.09 : 119,153,727.35 = 47,185,579.69 : x
  2. Step 2: Convert to fraction form
    86,342,146.09/119,153,727.35 = 47,185,579.69/x
  3. Step 3: Cross multiply
    86,342,146.09x = 119,153,727.35 × 47,185,579.69
  4. Step 4: Simplify right side
    86,342,146.09x = 5,622,337,696,998,029
  5. Step 5: Solve for x
    x = 5,622,337,696,998,029/86,342,146.09
  6. Step 6: Final answer
    x = 65,116,955.64

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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.