Home / 165,638,579.10-248,455,535.85-74,762,022.30

Finding the Fourth Proportional to 165,638,579.10, 248,455,535.85 and 74,762,022.30

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Solution

The fourth proportional to 165,638,579.10, 248,455,535.85 and 74,762,022.30 is: 112,141,980.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,638,579.10 : 248,455,535.85 = 74,762,022.30 : x
  2. Step 2: Convert to fraction form
    165,638,579.10/248,455,535.85 = 74,762,022.30/x
  3. Step 3: Cross multiply
    165,638,579.10x = 248,455,535.85 × 74,762,022.30
  4. Step 4: Simplify right side
    165,638,579.10x = 18,575,038,311,776,148
  5. Step 5: Solve for x
    x = 18,575,038,311,776,148/165,638,579.10
  6. Step 6: Final answer
    x = 112,141,980.53

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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.