Home / 68,724,006.10-103,086,009.15-30,365,775.70

Finding the Fourth Proportional to 68,724,006.10, 103,086,009.15 and 30,365,775.70

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Solution

The fourth proportional to 68,724,006.10, 103,086,009.15 and 30,365,775.70 is: 45,548,663.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,724,006.10 : 103,086,009.15 = 30,365,775.70 : x
  2. Step 2: Convert to fraction form
    68,724,006.10/103,086,009.15 = 30,365,775.70/x
  3. Step 3: Cross multiply
    68,724,006.10x = 103,086,009.15 × 30,365,775.70
  4. Step 4: Simplify right side
    68,724,006.10x = 3,130,286,631,657,048
  5. Step 5: Solve for x
    x = 3,130,286,631,657,048/68,724,006.10
  6. Step 6: Final answer
    x = 45,548,663.55

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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.