Home / 66,709,028.85-92,059,399.81-38,435,775.94

Finding the Fourth Proportional to 66,709,028.85, 92,059,399.81 and 38,435,775.94

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Solution

The fourth proportional to 66,709,028.85, 92,059,399.81 and 38,435,775.94 is: 53,041,912.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,709,028.85 : 92,059,399.81 = 38,435,775.94 : x
  2. Step 2: Convert to fraction form
    66,709,028.85/92,059,399.81 = 38,435,775.94/x
  3. Step 3: Cross multiply
    66,709,028.85x = 92,059,399.81 × 38,435,775.94
  4. Step 4: Simplify right side
    66,709,028.85x = 3,538,374,464,268,038.50
  5. Step 5: Solve for x
    x = 3,538,374,464,268,038.50/66,709,028.85
  6. Step 6: Final answer
    x = 53,041,912.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.