Home / 73,147,644.68-100,939,871.55-41,779,533.75

Finding the Fourth Proportional to 73,147,644.68, 100,939,871.55 and 41,779,533.75

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Solution

The fourth proportional to 73,147,644.68, 100,939,871.55 and 41,779,533.75 is: 57,653,541.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,147,644.68 : 100,939,871.55 = 41,779,533.75 : x
  2. Step 2: Convert to fraction form
    73,147,644.68/100,939,871.55 = 41,779,533.75/x
  3. Step 3: Cross multiply
    73,147,644.68x = 100,939,871.55 × 41,779,533.75
  4. Step 4: Simplify right side
    73,147,644.68x = 4,217,220,769,922,038.50
  5. Step 5: Solve for x
    x = 4,217,220,769,922,038.50/73,147,644.68
  6. Step 6: Final answer
    x = 57,653,541.53

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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.