Home / 69,791,427.18-104,638,661.79-30,908,691

Finding the Fourth Proportional to 69,791,427.18, 104,638,661.79 and 30,908,691

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Solution

The fourth proportional to 69,791,427.18, 104,638,661.79 and 30,908,691 is: 46,341,566.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,791,427.18 : 104,638,661.79 = 30,908,691 : x
  2. Step 2: Convert to fraction form
    69,791,427.18/104,638,661.79 = 30,908,691/x
  3. Step 3: Cross multiply
    69,791,427.18x = 104,638,661.79 × 30,908,691
  4. Step 4: Simplify right side
    69,791,427.18x = 3,234,244,063,804,709
  5. Step 5: Solve for x
    x = 3,234,244,063,804,709/69,791,427.18
  6. Step 6: Final answer
    x = 46,341,566.50

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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.