Home / 164,655,979.40-246,983,969.10-43,487,431.40

Finding the Fourth Proportional to 164,655,979.40, 246,983,969.10 and 43,487,431.40

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Solution

The fourth proportional to 164,655,979.40, 246,983,969.10 and 43,487,431.40 is: 65,231,147.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,655,979.40 : 246,983,969.10 = 43,487,431.40 : x
  2. Step 2: Convert to fraction form
    164,655,979.40/246,983,969.10 = 43,487,431.40/x
  3. Step 3: Cross multiply
    164,655,979.40x = 246,983,969.10 × 43,487,431.40
  4. Step 4: Simplify right side
    164,655,979.40x = 10,740,698,413,135,970
  5. Step 5: Solve for x
    x = 10,740,698,413,135,970/164,655,979.40
  6. Step 6: Final answer
    x = 65,231,147.10

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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.