Home / 142,726,280.30-214,089,420.45-74,701,832.30

Finding the Fourth Proportional to 142,726,280.30, 214,089,420.45 and 74,701,832.30

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Solution

The fourth proportional to 142,726,280.30, 214,089,420.45 and 74,701,832.30 is: 112,052,748.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,726,280.30 : 214,089,420.45 = 74,701,832.30 : x
  2. Step 2: Convert to fraction form
    142,726,280.30/214,089,420.45 = 74,701,832.30/x
  3. Step 3: Cross multiply
    142,726,280.30x = 214,089,420.45 × 74,701,832.30
  4. Step 4: Simplify right side
    142,726,280.30x = 15,992,871,983,660,090
  5. Step 5: Solve for x
    x = 15,992,871,983,660,090/142,726,280.30
  6. Step 6: Final answer
    x = 112,052,748.45

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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.