Home / 43,890,233.60-65,872,675.20-19,666,438.40

Finding the Fourth Proportional to 43,890,233.60, 65,872,675.20 and 19,666,438.40

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Solution

The fourth proportional to 43,890,233.60, 65,872,675.20 and 19,666,438.40 is: 29,516,382.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,890,233.60 : 65,872,675.20 = 19,666,438.40 : x
  2. Step 2: Convert to fraction form
    43,890,233.60/65,872,675.20 = 19,666,438.40/x
  3. Step 3: Cross multiply
    43,890,233.60x = 65,872,675.20 × 19,666,438.40
  4. Step 4: Simplify right side
    43,890,233.60x = 1,295,480,909,064,007.75
  5. Step 5: Solve for x
    x = 1,295,480,909,064,007.75/43,890,233.60
  6. Step 6: Final answer
    x = 29,516,382.18

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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.