Home / 213,070,840.20-319,606,260.30-210,201,058.80

Finding the Fourth Proportional to 213,070,840.20, 319,606,260.30 and 210,201,058.80

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Solution

The fourth proportional to 213,070,840.20, 319,606,260.30 and 210,201,058.80 is: 315,301,588.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,070,840.20 : 319,606,260.30 = 210,201,058.80 : x
  2. Step 2: Convert to fraction form
    213,070,840.20/319,606,260.30 = 210,201,058.80/x
  3. Step 3: Cross multiply
    213,070,840.20x = 319,606,260.30 × 210,201,058.80
  4. Step 4: Simplify right side
    213,070,840.20x = 67,181,574,314,168,408
  5. Step 5: Solve for x
    x = 67,181,574,314,168,408/213,070,840.20
  6. Step 6: Final answer
    x = 315,301,588.20

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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.