Home / 108,905,040.30-163,357,560.45-51,509,412.30

Finding the Fourth Proportional to 108,905,040.30, 163,357,560.45 and 51,509,412.30

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Solution

The fourth proportional to 108,905,040.30, 163,357,560.45 and 51,509,412.30 is: 77,264,118.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,905,040.30 : 163,357,560.45 = 51,509,412.30 : x
  2. Step 2: Convert to fraction form
    108,905,040.30/163,357,560.45 = 51,509,412.30/x
  3. Step 3: Cross multiply
    108,905,040.30x = 163,357,560.45 × 51,509,412.30
  4. Step 4: Simplify right side
    108,905,040.30x = 8,414,451,933,541,222
  5. Step 5: Solve for x
    x = 8,414,451,933,541,222/108,905,040.30
  6. Step 6: Final answer
    x = 77,264,118.45

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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.