Home / 109,955,145.89-151,764,528.40-62,939,473.69

Finding the Fourth Proportional to 109,955,145.89, 151,764,528.40 and 62,939,473.69

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Solution

The fourth proportional to 109,955,145.89, 151,764,528.40 and 62,939,473.69 is: 86,871,600.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,955,145.89 : 151,764,528.40 = 62,939,473.69 : x
  2. Step 2: Convert to fraction form
    109,955,145.89/151,764,528.40 = 62,939,473.69/x
  3. Step 3: Cross multiply
    109,955,145.89x = 151,764,528.40 × 62,939,473.69
  4. Step 4: Simplify right side
    109,955,145.89x = 9,551,979,542,408,576
  5. Step 5: Solve for x
    x = 9,551,979,542,408,576/109,955,145.89
  6. Step 6: Final answer
    x = 86,871,600.83

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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.