Home / 289,245,133.80-433,692,866.52-116,520,215.04

Finding the Fourth Proportional to 289,245,133.80, 433,692,866.52 and 116,520,215.04

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Solution

The fourth proportional to 289,245,133.80, 433,692,866.52 and 116,520,215.04 is: 174,709,891.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,245,133.80 : 433,692,866.52 = 116,520,215.04 : x
  2. Step 2: Convert to fraction form
    289,245,133.80/433,692,866.52 = 116,520,215.04/x
  3. Step 3: Cross multiply
    289,245,133.80x = 433,692,866.52 × 116,520,215.04
  4. Step 4: Simplify right side
    289,245,133.80x = 50,533,986,068,224,416
  5. Step 5: Solve for x
    x = 50,533,986,068,224,416/289,245,133.80
  6. Step 6: Final answer
    x = 174,709,891.93

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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.