Home / 69,430,974.12-104,153,459.58-18,316,526.76

Finding the Fourth Proportional to 69,430,974.12, 104,153,459.58 and 18,316,526.76

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Solution

The fourth proportional to 69,430,974.12, 104,153,459.58 and 18,316,526.76 is: 27,476,636.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,430,974.12 : 104,153,459.58 = 18,316,526.76 : x
  2. Step 2: Convert to fraction form
    69,430,974.12/104,153,459.58 = 18,316,526.76/x
  3. Step 3: Cross multiply
    69,430,974.12x = 104,153,459.58 × 18,316,526.76
  4. Step 4: Simplify right side
    69,430,974.12x = 1,907,729,629,543,648.50
  5. Step 5: Solve for x
    x = 1,907,729,629,543,648.50/69,430,974.12
  6. Step 6: Final answer
    x = 27,476,636.38

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1.5x scale

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.