Home / 72,021,133.74-108,036,507.16-25,329,017.46

Finding the Fourth Proportional to 72,021,133.74, 108,036,507.16 and 25,329,017.46

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Solution

The fourth proportional to 72,021,133.74, 108,036,507.16 and 25,329,017.46 is: 37,995,216.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,021,133.74 : 108,036,507.16 = 25,329,017.46 : x
  2. Step 2: Convert to fraction form
    72,021,133.74/108,036,507.16 = 25,329,017.46/x
  3. Step 3: Cross multiply
    72,021,133.74x = 108,036,507.16 × 25,329,017.46
  4. Step 4: Simplify right side
    72,021,133.74x = 2,736,458,576,173,055
  5. Step 5: Solve for x
    x = 2,736,458,576,173,055/72,021,133.74
  6. Step 6: Final answer
    x = 37,995,216.60

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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.