Home / 201,436,029.60-302,303,343.60-147,688,317.60

Finding the Fourth Proportional to 201,436,029.60, 302,303,343.60 and 147,688,317.60

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Solution

The fourth proportional to 201,436,029.60, 302,303,343.60 and 147,688,317.60 is: 221,641,939.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,436,029.60 : 302,303,343.60 = 147,688,317.60 : x
  2. Step 2: Convert to fraction form
    201,436,029.60/302,303,343.60 = 147,688,317.60/x
  3. Step 3: Cross multiply
    201,436,029.60x = 302,303,343.60 × 147,688,317.60
  4. Step 4: Simplify right side
    201,436,029.60x = 44,646,672,221,138,728
  5. Step 5: Solve for x
    x = 44,646,672,221,138,728/201,436,029.60
  6. Step 6: Final answer
    x = 221,641,939.18

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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.