Home / 120,653,661.65-180,953,559.54-55,949,059.13

Finding the Fourth Proportional to 120,653,661.65, 180,953,559.54 and 55,949,059.13

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Solution

The fourth proportional to 120,653,661.65, 180,953,559.54 and 55,949,059.13 is: 83,911,099.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,653,661.65 : 180,953,559.54 = 55,949,059.13 : x
  2. Step 2: Convert to fraction form
    120,653,661.65/180,953,559.54 = 55,949,059.13/x
  3. Step 3: Cross multiply
    120,653,661.65x = 180,953,559.54 × 55,949,059.13
  4. Step 4: Simplify right side
    120,653,661.65x = 10,124,181,401,582,668
  5. Step 5: Solve for x
    x = 10,124,181,401,582,668/120,653,661.65
  6. Step 6: Final answer
    x = 83,911,099.45

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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.