Home / 190,248,890.64-285,303,337.92-65,719,839.48

Finding the Fourth Proportional to 190,248,890.64, 285,303,337.92 and 65,719,839.48

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Solution

The fourth proportional to 190,248,890.64, 285,303,337.92 and 65,719,839.48 is: 98,555,579.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,248,890.64 : 285,303,337.92 = 65,719,839.48 : x
  2. Step 2: Convert to fraction form
    190,248,890.64/285,303,337.92 = 65,719,839.48/x
  3. Step 3: Cross multiply
    190,248,890.64x = 285,303,337.92 × 65,719,839.48
  4. Step 4: Simplify right side
    190,248,890.64x = 18,750,089,571,210,596
  5. Step 5: Solve for x
    x = 18,750,089,571,210,596/190,248,890.64
  6. Step 6: Final answer
    x = 98,555,579.00

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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.