Home / 200,191,970.20-299,910,041.70-102,816,232.60

Finding the Fourth Proportional to 200,191,970.20, 299,910,041.70 and 102,816,232.60

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Solution

The fourth proportional to 200,191,970.20, 299,910,041.70 and 102,816,232.60 is: 154,030,256.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,191,970.20 : 299,910,041.70 = 102,816,232.60 : x
  2. Step 2: Convert to fraction form
    200,191,970.20/299,910,041.70 = 102,816,232.60/x
  3. Step 3: Cross multiply
    200,191,970.20x = 299,910,041.70 × 102,816,232.60
  4. Step 4: Simplify right side
    200,191,970.20x = 30,835,620,606,502,896
  5. Step 5: Solve for x
    x = 30,835,620,606,502,896/200,191,970.20
  6. Step 6: Final answer
    x = 154,030,256.94

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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.