Home / 110,720,021.70-166,080,032.55-105,681,173.70

Finding the Fourth Proportional to 110,720,021.70, 166,080,032.55 and 105,681,173.70

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Solution

The fourth proportional to 110,720,021.70, 166,080,032.55 and 105,681,173.70 is: 158,521,760.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,720,021.70 : 166,080,032.55 = 105,681,173.70 : x
  2. Step 2: Convert to fraction form
    110,720,021.70/166,080,032.55 = 105,681,173.70/x
  3. Step 3: Cross multiply
    110,720,021.70x = 166,080,032.55 × 105,681,173.70
  4. Step 4: Simplify right side
    110,720,021.70x = 17,551,532,768,018,206
  5. Step 5: Solve for x
    x = 17,551,532,768,018,206/110,720,021.70
  6. Step 6: Final answer
    x = 158,521,760.55

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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.