Home / 165,920,020.80-248,880,031.20-104,698,017.60

Finding the Fourth Proportional to 165,920,020.80, 248,880,031.20 and 104,698,017.60

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Solution

The fourth proportional to 165,920,020.80, 248,880,031.20 and 104,698,017.60 is: 157,047,026.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,920,020.80 : 248,880,031.20 = 104,698,017.60 : x
  2. Step 2: Convert to fraction form
    165,920,020.80/248,880,031.20 = 104,698,017.60/x
  3. Step 3: Cross multiply
    165,920,020.80x = 248,880,031.20 × 104,698,017.60
  4. Step 4: Simplify right side
    165,920,020.80x = 26,057,245,886,866,148
  5. Step 5: Solve for x
    x = 26,057,245,886,866,148/165,920,020.80
  6. Step 6: Final answer
    x = 157,047,026.40

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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.