Home / 115,821,628.40-173,618,164.20-64,728,124.40

Finding the Fourth Proportional to 115,821,628.40, 173,618,164.20 and 64,728,124.40

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Solution

The fourth proportional to 115,821,628.40, 173,618,164.20 and 64,728,124.40 is: 97,028,320.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,821,628.40 : 173,618,164.20 = 64,728,124.40 : x
  2. Step 2: Convert to fraction form
    115,821,628.40/173,618,164.20 = 64,728,124.40/x
  3. Step 3: Cross multiply
    115,821,628.40x = 173,618,164.20 × 64,728,124.40
  4. Step 4: Simplify right side
    115,821,628.40x = 11,237,978,130,437,226
  5. Step 5: Solve for x
    x = 11,237,978,130,437,226/115,821,628.40
  6. Step 6: Final answer
    x = 97,028,320.92

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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.