Home / 86,824,187.31-119,818,782.32-47,669,573.55

Finding the Fourth Proportional to 86,824,187.31, 119,818,782.32 and 47,669,573.55

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Solution

The fourth proportional to 86,824,187.31, 119,818,782.32 and 47,669,573.55 is: 65,784,782.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,824,187.31 : 119,818,782.32 = 47,669,573.55 : x
  2. Step 2: Convert to fraction form
    86,824,187.31/119,818,782.32 = 47,669,573.55/x
  3. Step 3: Cross multiply
    86,824,187.31x = 119,818,782.32 × 47,669,573.55
  4. Step 4: Simplify right side
    86,824,187.31x = 5,711,710,256,236,331
  5. Step 5: Solve for x
    x = 5,711,710,256,236,331/86,824,187.31
  6. Step 6: Final answer
    x = 65,784,782.25

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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.