Home / 86,943,598.89-119,982,427.74-47,789,387.97

Finding the Fourth Proportional to 86,943,598.89, 119,982,427.74 and 47,789,387.97

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Solution

The fourth proportional to 86,943,598.89, 119,982,427.74 and 47,789,387.97 is: 65,949,499.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,943,598.89 : 119,982,427.74 = 47,789,387.97 : x
  2. Step 2: Convert to fraction form
    86,943,598.89/119,982,427.74 = 47,789,387.97/x
  3. Step 3: Cross multiply
    86,943,598.89x = 119,982,427.74 × 47,789,387.97
  4. Step 4: Simplify right side
    86,943,598.89x = 5,733,886,788,849,350
  5. Step 5: Solve for x
    x = 5,733,886,788,849,350/86,943,598.89
  6. Step 6: Final answer
    x = 65,949,499.01

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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.