Home / 144,871,421.80-217,307,132.70-87,334,076.20

Finding the Fourth Proportional to 144,871,421.80, 217,307,132.70 and 87,334,076.20

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Solution

The fourth proportional to 144,871,421.80, 217,307,132.70 and 87,334,076.20 is: 131,001,114.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,871,421.80 : 217,307,132.70 = 87,334,076.20 : x
  2. Step 2: Convert to fraction form
    144,871,421.80/217,307,132.70 = 87,334,076.20/x
  3. Step 3: Cross multiply
    144,871,421.80x = 217,307,132.70 × 87,334,076.20
  4. Step 4: Simplify right side
    144,871,421.80x = 18,978,317,686,025,312
  5. Step 5: Solve for x
    x = 18,978,317,686,025,312/144,871,421.80
  6. Step 6: Final answer
    x = 131,001,114.30

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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.