Home / 66,687,982.28-99,928,670.48-46,257,421.94

Finding the Fourth Proportional to 66,687,982.28, 99,928,670.48 and 46,257,421.94

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Solution

The fourth proportional to 66,687,982.28, 99,928,670.48 and 46,257,421.94 is: 69,314,477.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,687,982.28 : 99,928,670.48 = 46,257,421.94 : x
  2. Step 2: Convert to fraction form
    66,687,982.28/99,928,670.48 = 46,257,421.94/x
  3. Step 3: Cross multiply
    66,687,982.28x = 99,928,670.48 × 46,257,421.94
  4. Step 4: Simplify right side
    66,687,982.28x = 4,622,442,674,430,761
  5. Step 5: Solve for x
    x = 4,622,442,674,430,761/66,687,982.28
  6. Step 6: Final answer
    x = 69,314,477.90

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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.