Home / 201,897,173.60-302,149,030.80-121,176,072.80

Finding the Fourth Proportional to 201,897,173.60, 302,149,030.80 and 121,176,072.80

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Solution

The fourth proportional to 201,897,173.60, 302,149,030.80 and 121,176,072.80 is: 181,345,941.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,897,173.60 : 302,149,030.80 = 121,176,072.80 : x
  2. Step 2: Convert to fraction form
    201,897,173.60/302,149,030.80 = 121,176,072.80/x
  3. Step 3: Cross multiply
    201,897,173.60x = 302,149,030.80 × 121,176,072.80
  4. Step 4: Simplify right side
    201,897,173.60x = 36,613,232,952,670,240
  5. Step 5: Solve for x
    x = 36,613,232,952,670,240/201,897,173.60
  6. Step 6: Final answer
    x = 181,345,941.10

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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.