Home / 43,571,353.60-65,357,030.40-20,896,537.60

Finding the Fourth Proportional to 43,571,353.60, 65,357,030.40 and 20,896,537.60

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Solution

The fourth proportional to 43,571,353.60, 65,357,030.40 and 20,896,537.60 is: 31,344,806.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,571,353.60 : 65,357,030.40 = 20,896,537.60 : x
  2. Step 2: Convert to fraction form
    43,571,353.60/65,357,030.40 = 20,896,537.60/x
  3. Step 3: Cross multiply
    43,571,353.60x = 65,357,030.40 × 20,896,537.60
  4. Step 4: Simplify right side
    43,571,353.60x = 1,365,735,643,177,943
  5. Step 5: Solve for x
    x = 1,365,735,643,177,943/43,571,353.60
  6. Step 6: Final answer
    x = 31,344,806.40

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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.