Home / 201,825,664.20-302,722,749.90-78,980,124.60

Finding the Fourth Proportional to 201,825,664.20, 302,722,749.90 and 78,980,124.60

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Solution

The fourth proportional to 201,825,664.20, 302,722,749.90 and 78,980,124.60 is: 118,464,024.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,825,664.20 : 302,722,749.90 = 78,980,124.60 : x
  2. Step 2: Convert to fraction form
    201,825,664.20/302,722,749.90 = 78,980,124.60/x
  3. Step 3: Cross multiply
    201,825,664.20x = 302,722,749.90 × 78,980,124.60
  4. Step 4: Simplify right side
    201,825,664.20x = 23,909,080,506,356,632
  5. Step 5: Solve for x
    x = 23,909,080,506,356,632/201,825,664.20
  6. Step 6: Final answer
    x = 118,464,024.89

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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.