Home / 165,869,085.40-248,803,628.10-105,552,208.60

Finding the Fourth Proportional to 165,869,085.40, 248,803,628.10 and 105,552,208.60

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Solution

The fourth proportional to 165,869,085.40, 248,803,628.10 and 105,552,208.60 is: 158,328,312.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,869,085.40 : 248,803,628.10 = 105,552,208.60 : x
  2. Step 2: Convert to fraction form
    165,869,085.40/248,803,628.10 = 105,552,208.60/x
  3. Step 3: Cross multiply
    165,869,085.40x = 248,803,628.10 × 105,552,208.60
  4. Step 4: Simplify right side
    165,869,085.40x = 26,261,772,453,648,020
  5. Step 5: Solve for x
    x = 26,261,772,453,648,020/165,869,085.40
  6. Step 6: Final answer
    x = 158,328,312.90

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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.