Home / 120,726,660.36-180,968,903.64-56,075,871.27

Finding the Fourth Proportional to 120,726,660.36, 180,968,903.64 and 56,075,871.27

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Solution

The fourth proportional to 120,726,660.36, 180,968,903.64 and 56,075,871.27 is: 84,057,563.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,726,660.36 : 180,968,903.64 = 56,075,871.27 : x
  2. Step 2: Convert to fraction form
    120,726,660.36/180,968,903.64 = 56,075,871.27/x
  3. Step 3: Cross multiply
    120,726,660.36x = 180,968,903.64 × 56,075,871.27
  4. Step 4: Simplify right side
    120,726,660.36x = 10,147,988,944,389,674
  5. Step 5: Solve for x
    x = 10,147,988,944,389,674/120,726,660.36
  6. Step 6: Final answer
    x = 84,057,563.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.