Home / 201,912,133.60-302,868,200.40-153,539,192.80

Finding the Fourth Proportional to 201,912,133.60, 302,868,200.40 and 153,539,192.80

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Solution

The fourth proportional to 201,912,133.60, 302,868,200.40 and 153,539,192.80 is: 230,308,789.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,912,133.60 : 302,868,200.40 = 153,539,192.80 : x
  2. Step 2: Convert to fraction form
    201,912,133.60/302,868,200.40 = 153,539,192.80/x
  3. Step 3: Cross multiply
    201,912,133.60x = 302,868,200.40 × 153,539,192.80
  4. Step 4: Simplify right side
    201,912,133.60x = 46,502,139,014,204,640
  5. Step 5: Solve for x
    x = 46,502,139,014,204,640/201,912,133.60
  6. Step 6: Final answer
    x = 230,308,789.20

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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.