Home / 210,699,711.24-290,766,223.59-116,620,392.52

Finding the Fourth Proportional to 210,699,711.24, 290,766,223.59 and 116,620,392.52

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Solution

The fourth proportional to 210,699,711.24, 290,766,223.59 and 116,620,392.52 is: 160,936,485.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,699,711.24 : 290,766,223.59 = 116,620,392.52 : x
  2. Step 2: Convert to fraction form
    210,699,711.24/290,766,223.59 = 116,620,392.52/x
  3. Step 3: Cross multiply
    210,699,711.24x = 290,766,223.59 × 116,620,392.52
  4. Step 4: Simplify right side
    210,699,711.24x = 33,909,271,126,623,880
  5. Step 5: Solve for x
    x = 33,909,271,126,623,880/210,699,711.24
  6. Step 6: Final answer
    x = 160,936,485.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.