Home / 86,810,307.75-119,796,721.32-47,116,986.77

Finding the Fourth Proportional to 86,810,307.75, 119,796,721.32 and 47,116,986.77

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Solution

The fourth proportional to 86,810,307.75, 119,796,721.32 and 47,116,986.77 is: 65,020,625.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,810,307.75 : 119,796,721.32 = 47,116,986.77 : x
  2. Step 2: Convert to fraction form
    86,810,307.75/119,796,721.32 = 47,116,986.77/x
  3. Step 3: Cross multiply
    86,810,307.75x = 119,796,721.32 × 47,116,986.77
  4. Step 4: Simplify right side
    86,810,307.75x = 5,644,460,533,317,074
  5. Step 5: Solve for x
    x = 5,644,460,533,317,074/86,810,307.75
  6. Step 6: Final answer
    x = 65,020,625.77

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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.