Home / 165,901,345.20-248,852,017.80-105,360,519.60

Finding the Fourth Proportional to 165,901,345.20, 248,852,017.80 and 105,360,519.60

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Solution

The fourth proportional to 165,901,345.20, 248,852,017.80 and 105,360,519.60 is: 158,040,779.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,901,345.20 : 248,852,017.80 = 105,360,519.60 : x
  2. Step 2: Convert to fraction form
    165,901,345.20/248,852,017.80 = 105,360,519.60/x
  3. Step 3: Cross multiply
    165,901,345.20x = 248,852,017.80 × 105,360,519.60
  4. Step 4: Simplify right side
    165,901,345.20x = 26,219,177,898,916,448
  5. Step 5: Solve for x
    x = 26,219,177,898,916,448/165,901,345.20
  6. Step 6: Final answer
    x = 158,040,779.40

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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.