Home / 426,031,461.72-639,065,427.30-167,302,664.64

Finding the Fourth Proportional to 426,031,461.72, 639,065,427.30 and 167,302,664.64

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Solution

The fourth proportional to 426,031,461.72, 639,065,427.30 and 167,302,664.64 is: 250,961,157.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,031,461.72 : 639,065,427.30 = 167,302,664.64 : x
  2. Step 2: Convert to fraction form
    426,031,461.72/639,065,427.30 = 167,302,664.64/x
  3. Step 3: Cross multiply
    426,031,461.72x = 639,065,427.30 × 167,302,664.64
  4. Step 4: Simplify right side
    426,031,461.72x = 106,917,348,866,590,176
  5. Step 5: Solve for x
    x = 106,917,348,866,590,176/426,031,461.72
  6. Step 6: Final answer
    x = 250,961,157.74

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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.