Home / 129,033,688.80-193,550,533.20-83,348,133.60

Finding the Fourth Proportional to 129,033,688.80, 193,550,533.20 and 83,348,133.60

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Solution

The fourth proportional to 129,033,688.80, 193,550,533.20 and 83,348,133.60 is: 125,022,200.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,033,688.80 : 193,550,533.20 = 83,348,133.60 : x
  2. Step 2: Convert to fraction form
    129,033,688.80/193,550,533.20 = 83,348,133.60/x
  3. Step 3: Cross multiply
    129,033,688.80x = 193,550,533.20 × 83,348,133.60
  4. Step 4: Simplify right side
    129,033,688.80x = 16,132,075,699,504,834
  5. Step 5: Solve for x
    x = 16,132,075,699,504,834/129,033,688.80
  6. Step 6: Final answer
    x = 125,022,200.40

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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.