Home / 159,099,313.15-238,579,402.02-80,267,323.51

Finding the Fourth Proportional to 159,099,313.15, 238,579,402.02 and 80,267,323.51

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Solution

The fourth proportional to 159,099,313.15, 238,579,402.02 and 80,267,323.51 is: 120,365,887.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,099,313.15 : 238,579,402.02 = 80,267,323.51 : x
  2. Step 2: Convert to fraction form
    159,099,313.15/238,579,402.02 = 80,267,323.51/x
  3. Step 3: Cross multiply
    159,099,313.15x = 238,579,402.02 × 80,267,323.51
  4. Step 4: Simplify right side
    159,099,313.15x = 19,150,130,044,758,912
  5. Step 5: Solve for x
    x = 19,150,130,044,758,912/159,099,313.15
  6. Step 6: Final answer
    x = 120,365,887.60

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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.