Home / 190,137,165.60-285,225,082.80-65,623,589.16

Finding the Fourth Proportional to 190,137,165.60, 285,225,082.80 and 65,623,589.16

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Solution

The fourth proportional to 190,137,165.60, 285,225,082.80 and 65,623,589.16 is: 98,442,056.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,137,165.60 : 285,225,082.80 = 65,623,589.16 : x
  2. Step 2: Convert to fraction form
    190,137,165.60/285,225,082.80 = 65,623,589.16/x
  3. Step 3: Cross multiply
    190,137,165.60x = 285,225,082.80 × 65,623,589.16
  4. Step 4: Simplify right side
    190,137,165.60x = 18,717,493,651,794,184
  5. Step 5: Solve for x
    x = 18,717,493,651,794,184/190,137,165.60
  6. Step 6: Final answer
    x = 98,442,056.78

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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.