Home / 201,436,221.60-302,303,631.60-147,688,509.60

Finding the Fourth Proportional to 201,436,221.60, 302,303,631.60 and 147,688,509.60

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Solution

The fourth proportional to 201,436,221.60, 302,303,631.60 and 147,688,509.60 is: 221,642,227.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,436,221.60 : 302,303,631.60 = 147,688,509.60 : x
  2. Step 2: Convert to fraction form
    201,436,221.60/302,303,631.60 = 147,688,509.60/x
  3. Step 3: Cross multiply
    201,436,221.60x = 302,303,631.60 × 147,688,509.60
  4. Step 4: Simplify right side
    201,436,221.60x = 44,646,772,797,671,464
  5. Step 5: Solve for x
    x = 44,646,772,797,671,464/201,436,221.60
  6. Step 6: Final answer
    x = 221,642,227.22

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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.