Home / 201,590,100.81-302,139,490.05-104,492,277.45

Finding the Fourth Proportional to 201,590,100.81, 302,139,490.05 and 104,492,277.45

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Solution

The fourth proportional to 201,590,100.81, 302,139,490.05 and 104,492,277.45 is: 156,611,080.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,590,100.81 : 302,139,490.05 = 104,492,277.45 : x
  2. Step 2: Convert to fraction form
    201,590,100.81/302,139,490.05 = 104,492,277.45/x
  3. Step 3: Cross multiply
    201,590,100.81x = 302,139,490.05 × 104,492,277.45
  4. Step 4: Simplify right side
    201,590,100.81x = 31,571,243,422,906,116
  5. Step 5: Solve for x
    x = 31,571,243,422,906,116/201,590,100.81
  6. Step 6: Final answer
    x = 156,611,080.09

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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.