Home / 165,917,259.20-248,875,888.80-105,376,433.60

Finding the Fourth Proportional to 165,917,259.20, 248,875,888.80 and 105,376,433.60

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Solution

The fourth proportional to 165,917,259.20, 248,875,888.80 and 105,376,433.60 is: 158,064,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,917,259.20 : 248,875,888.80 = 105,376,433.60 : x
  2. Step 2: Convert to fraction form
    165,917,259.20/248,875,888.80 = 105,376,433.60/x
  3. Step 3: Cross multiply
    165,917,259.20x = 248,875,888.80 × 105,376,433.60
  4. Step 4: Simplify right side
    165,917,259.20x = 26,225,653,570,774,184
  5. Step 5: Solve for x
    x = 26,225,653,570,774,184/165,917,259.20
  6. Step 6: Final answer
    x = 158,064,650.40

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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.