Home / 42,413,828.80-63,639,405.60-19,683,025.60

Finding the Fourth Proportional to 42,413,828.80, 63,639,405.60 and 19,683,025.60

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Solution

The fourth proportional to 42,413,828.80, 63,639,405.60 and 19,683,025.60 is: 29,533,199.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,413,828.80 : 63,639,405.60 = 19,683,025.60 : x
  2. Step 2: Convert to fraction form
    42,413,828.80/63,639,405.60 = 19,683,025.60/x
  3. Step 3: Cross multiply
    42,413,828.80x = 63,639,405.60 × 19,683,025.60
  4. Step 4: Simplify right side
    42,413,828.80x = 1,252,616,049,593,583.50
  5. Step 5: Solve for x
    x = 1,252,616,049,593,583.50/42,413,828.80
  6. Step 6: Final answer
    x = 29,533,199.08

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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.