Home / 289,523,341.48-434,284,735.74-74,112,243.88

Finding the Fourth Proportional to 289,523,341.48, 434,284,735.74 and 74,112,243.88

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Solution

The fourth proportional to 289,523,341.48, 434,284,735.74 and 74,112,243.88 is: 111,168,295.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,523,341.48 : 434,284,735.74 = 74,112,243.88 : x
  2. Step 2: Convert to fraction form
    289,523,341.48/434,284,735.74 = 74,112,243.88/x
  3. Step 3: Cross multiply
    289,523,341.48x = 434,284,735.74 × 74,112,243.88
  4. Step 4: Simplify right side
    289,523,341.48x = 32,185,816,248,524,232
  5. Step 5: Solve for x
    x = 32,185,816,248,524,232/289,523,341.48
  6. Step 6: Final answer
    x = 111,168,295.05

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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.