Home / 212,140,908.90-292,752,337.40-118,053,445.33

Finding the Fourth Proportional to 212,140,908.90, 292,752,337.40 and 118,053,445.33

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Solution

The fourth proportional to 212,140,908.90, 292,752,337.40 and 118,053,445.33 is: 162,912,576.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,140,908.90 : 292,752,337.40 = 118,053,445.33 : x
  2. Step 2: Convert to fraction form
    212,140,908.90/292,752,337.40 = 118,053,445.33/x
  3. Step 3: Cross multiply
    212,140,908.90x = 292,752,337.40 × 118,053,445.33
  4. Step 4: Simplify right side
    212,140,908.90x = 34,560,422,058,698,988
  5. Step 5: Solve for x
    x = 34,560,422,058,698,988/212,140,908.90
  6. Step 6: Final answer
    x = 162,912,576.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.