Home / 190,738,182.60-285,724,196.46-86,964,639.63

Finding the Fourth Proportional to 190,738,182.60, 285,724,196.46 and 86,964,639.63

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Solution

The fourth proportional to 190,738,182.60, 285,724,196.46 and 86,964,639.63 is: 130,272,300.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,738,182.60 : 285,724,196.46 = 86,964,639.63 : x
  2. Step 2: Convert to fraction form
    190,738,182.60/285,724,196.46 = 86,964,639.63/x
  3. Step 3: Cross multiply
    190,738,182.60x = 285,724,196.46 × 86,964,639.63
  4. Step 4: Simplify right side
    190,738,182.60x = 24,847,901,778,715,220
  5. Step 5: Solve for x
    x = 24,847,901,778,715,220/190,738,182.60
  6. Step 6: Final answer
    x = 130,272,300.18

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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.