Home / 105,923,498.31-158,882,308.38-28,201,068.54

Finding the Fourth Proportional to 105,923,498.31, 158,882,308.38 and 28,201,068.54

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Solution

The fourth proportional to 105,923,498.31, 158,882,308.38 and 28,201,068.54 is: 42,300,820.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,923,498.31 : 158,882,308.38 = 28,201,068.54 : x
  2. Step 2: Convert to fraction form
    105,923,498.31/158,882,308.38 = 28,201,068.54/x
  3. Step 3: Cross multiply
    105,923,498.31x = 158,882,308.38 × 28,201,068.54
  4. Step 4: Simplify right side
    105,923,498.31x = 4,480,650,868,417,796
  5. Step 5: Solve for x
    x = 4,480,650,868,417,796/105,923,498.31
  6. Step 6: Final answer
    x = 42,300,820.31

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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.