Home / 172,680,196.58-259,154,613.12-120,525,981.38

Finding the Fourth Proportional to 172,680,196.58, 259,154,613.12 and 120,525,981.38

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Solution

The fourth proportional to 172,680,196.58, 259,154,613.12 and 120,525,981.38 is: 180,882,722.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,680,196.58 : 259,154,613.12 = 120,525,981.38 : x
  2. Step 2: Convert to fraction form
    172,680,196.58/259,154,613.12 = 120,525,981.38/x
  3. Step 3: Cross multiply
    172,680,196.58x = 259,154,613.12 × 120,525,981.38
  4. Step 4: Simplify right side
    172,680,196.58x = 31,234,864,075,442,224
  5. Step 5: Solve for x
    x = 31,234,864,075,442,224/172,680,196.58
  6. Step 6: Final answer
    x = 180,882,722.48

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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.