Home / 160,380,709.36-221,325,471-87,041,851.36

Finding the Fourth Proportional to 160,380,709.36, 221,325,471 and 87,041,851.36

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Solution

The fourth proportional to 160,380,709.36, 221,325,471 and 87,041,851.36 is: 120,117,804.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,380,709.36 : 221,325,471 = 87,041,851.36 : x
  2. Step 2: Convert to fraction form
    160,380,709.36/221,325,471 = 87,041,851.36/x
  3. Step 3: Cross multiply
    160,380,709.36x = 221,325,471 × 87,041,851.36
  4. Step 4: Simplify right side
    160,380,709.36x = 19,264,578,748,410,676
  5. Step 5: Solve for x
    x = 19,264,578,748,410,676/160,380,709.36
  6. Step 6: Final answer
    x = 120,117,804.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.