Home / 165,941,128.40-248,433,395.70-165,941,128.40

Finding the Fourth Proportional to 165,941,128.40, 248,433,395.70 and 165,941,128.40

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Solution

The fourth proportional to 165,941,128.40, 248,433,395.70 and 165,941,128.40 is: 248,433,395.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,941,128.40 : 248,433,395.70 = 165,941,128.40 : x
  2. Step 2: Convert to fraction form
    165,941,128.40/248,433,395.70 = 165,941,128.40/x
  3. Step 3: Cross multiply
    165,941,128.40x = 248,433,395.70 × 165,941,128.40
  4. Step 4: Simplify right side
    165,941,128.40x = 41,225,318,014,701,704
  5. Step 5: Solve for x
    x = 41,225,318,014,701,704/165,941,128.40
  6. Step 6: Final answer
    x = 248,433,395.70

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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.