Home / 219,343,491.88-302,726,506.44-138,882,962.29

Finding the Fourth Proportional to 219,343,491.88, 302,726,506.44 and 138,882,962.29

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Solution

The fourth proportional to 219,343,491.88, 302,726,506.44 and 138,882,962.29 is: 191,679,058.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,343,491.88 : 302,726,506.44 = 138,882,962.29 : x
  2. Step 2: Convert to fraction form
    219,343,491.88/302,726,506.44 = 138,882,962.29/x
  3. Step 3: Cross multiply
    219,343,491.88x = 302,726,506.44 × 138,882,962.29
  4. Step 4: Simplify right side
    219,343,491.88x = 42,043,553,978,089,960
  5. Step 5: Solve for x
    x = 42,043,553,978,089,960/219,343,491.88
  6. Step 6: Final answer
    x = 191,679,058.35

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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.