Home / 42,408,673.81-63,554,157.77-19,323,190.47

Finding the Fourth Proportional to 42,408,673.81, 63,554,157.77 and 19,323,190.47

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Solution

The fourth proportional to 42,408,673.81, 63,554,157.77 and 19,323,190.47 is: 28,957,969.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,408,673.81 : 63,554,157.77 = 19,323,190.47 : x
  2. Step 2: Convert to fraction form
    42,408,673.81/63,554,157.77 = 19,323,190.47/x
  3. Step 3: Cross multiply
    42,408,673.81x = 63,554,157.77 × 19,323,190.47
  4. Step 4: Simplify right side
    42,408,673.81x = 1,228,069,095,705,261.50
  5. Step 5: Solve for x
    x = 1,228,069,095,705,261.50/42,408,673.81
  6. Step 6: Final answer
    x = 28,957,969.80

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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.