Home / 113,789,710.64-157,030,279.43-61,578,748.87

Finding the Fourth Proportional to 113,789,710.64, 157,030,279.43 and 61,578,748.87

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Solution

The fourth proportional to 113,789,710.64, 157,030,279.43 and 61,578,748.87 is: 84,978,932.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,789,710.64 : 157,030,279.43 = 61,578,748.87 : x
  2. Step 2: Convert to fraction form
    113,789,710.64/157,030,279.43 = 61,578,748.87/x
  3. Step 3: Cross multiply
    113,789,710.64x = 157,030,279.43 × 61,578,748.87
  4. Step 4: Simplify right side
    113,789,710.64x = 9,669,728,141,305,428
  5. Step 5: Solve for x
    x = 9,669,728,141,305,428/113,789,710.64
  6. Step 6: Final answer
    x = 84,978,932.51

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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.