Home / 120,964,117.40-181,446,176.10-108,492,968.60

Finding the Fourth Proportional to 120,964,117.40, 181,446,176.10 and 108,492,968.60

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Solution

The fourth proportional to 120,964,117.40, 181,446,176.10 and 108,492,968.60 is: 162,739,452.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,964,117.40 : 181,446,176.10 = 108,492,968.60 : x
  2. Step 2: Convert to fraction form
    120,964,117.40/181,446,176.10 = 108,492,968.60/x
  3. Step 3: Cross multiply
    120,964,117.40x = 181,446,176.10 × 108,492,968.60
  4. Step 4: Simplify right side
    120,964,117.40x = 19,685,634,286,207,368
  5. Step 5: Solve for x
    x = 19,685,634,286,207,368/120,964,117.40
  6. Step 6: Final answer
    x = 162,739,452.90

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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.