Home / 201,275,718.60-301,807,289.70-86,130,168.60

Finding the Fourth Proportional to 201,275,718.60, 301,807,289.70 and 86,130,168.60

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Solution

The fourth proportional to 201,275,718.60, 301,807,289.70 and 86,130,168.60 is: 129,149,769.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,275,718.60 : 301,807,289.70 = 86,130,168.60 : x
  2. Step 2: Convert to fraction form
    201,275,718.60/301,807,289.70 = 86,130,168.60/x
  3. Step 3: Cross multiply
    201,275,718.60x = 301,807,289.70 × 86,130,168.60
  4. Step 4: Simplify right side
    201,275,718.60x = 25,994,712,746,570,040
  5. Step 5: Solve for x
    x = 25,994,712,746,570,040/201,275,718.60
  6. Step 6: Final answer
    x = 129,149,769.91

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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.