Home / 120,964,117.90-181,446,176.85-108,492,969.10

Finding the Fourth Proportional to 120,964,117.90, 181,446,176.85 and 108,492,969.10

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Solution

The fourth proportional to 120,964,117.90, 181,446,176.85 and 108,492,969.10 is: 162,739,453.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,964,117.90 : 181,446,176.85 = 108,492,969.10 : x
  2. Step 2: Convert to fraction form
    120,964,117.90/181,446,176.85 = 108,492,969.10/x
  3. Step 3: Cross multiply
    120,964,117.90x = 181,446,176.85 × 108,492,969.10
  4. Step 4: Simplify right side
    120,964,117.90x = 19,685,634,458,300,184
  5. Step 5: Solve for x
    x = 19,685,634,458,300,184/120,964,117.90
  6. Step 6: Final answer
    x = 162,739,453.65

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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.