Home / 42,683,762.40-63,941,662.80-25,593,669.60

Finding the Fourth Proportional to 42,683,762.40, 63,941,662.80 and 25,593,669.60

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Solution

The fourth proportional to 42,683,762.40, 63,941,662.80 and 25,593,669.60 is: 38,340,148.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,683,762.40 : 63,941,662.80 = 25,593,669.60 : x
  2. Step 2: Convert to fraction form
    42,683,762.40/63,941,662.80 = 25,593,669.60/x
  3. Step 3: Cross multiply
    42,683,762.40x = 63,941,662.80 × 25,593,669.60
  4. Step 4: Simplify right side
    42,683,762.40x = 1,636,501,791,377,811
  5. Step 5: Solve for x
    x = 1,636,501,791,377,811/42,683,762.40
  6. Step 6: Final answer
    x = 38,340,148.56

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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.