Home / 201,464,449.60-302,196,674.40-72,076,280.80

Finding the Fourth Proportional to 201,464,449.60, 302,196,674.40 and 72,076,280.80

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Solution

The fourth proportional to 201,464,449.60, 302,196,674.40 and 72,076,280.80 is: 108,114,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,464,449.60 : 302,196,674.40 = 72,076,280.80 : x
  2. Step 2: Convert to fraction form
    201,464,449.60/302,196,674.40 = 72,076,280.80/x
  3. Step 3: Cross multiply
    201,464,449.60x = 302,196,674.40 × 72,076,280.80
  4. Step 4: Simplify right side
    201,464,449.60x = 21,781,212,360,880,568
  5. Step 5: Solve for x
    x = 21,781,212,360,880,568/201,464,449.60
  6. Step 6: Final answer
    x = 108,114,421.20

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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.