Home / 42,624,147.20-63,936,220.80-15,692,230.40

Finding the Fourth Proportional to 42,624,147.20, 63,936,220.80 and 15,692,230.40

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Solution

The fourth proportional to 42,624,147.20, 63,936,220.80 and 15,692,230.40 is: 23,538,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,624,147.20 : 63,936,220.80 = 15,692,230.40 : x
  2. Step 2: Convert to fraction form
    42,624,147.20/63,936,220.80 = 15,692,230.40/x
  3. Step 3: Cross multiply
    42,624,147.20x = 63,936,220.80 × 15,692,230.40
  4. Step 4: Simplify right side
    42,624,147.20x = 1,003,301,907,698,872.25
  5. Step 5: Solve for x
    x = 1,003,301,907,698,872.25/42,624,147.20
  6. Step 6: Final answer
    x = 23,538,345.60

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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.