Home / 132,901,985.67-199,352,141.98-71,520,058.10

Finding the Fourth Proportional to 132,901,985.67, 199,352,141.98 and 71,520,058.10

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Solution

The fourth proportional to 132,901,985.67, 199,352,141.98 and 71,520,058.10 is: 107,279,636.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,901,985.67 : 199,352,141.98 = 71,520,058.10 : x
  2. Step 2: Convert to fraction form
    132,901,985.67/199,352,141.98 = 71,520,058.10/x
  3. Step 3: Cross multiply
    132,901,985.67x = 199,352,141.98 × 71,520,058.10
  4. Step 4: Simplify right side
    132,901,985.67x = 14,257,676,776,769,048
  5. Step 5: Solve for x
    x = 14,257,676,776,769,048/132,901,985.67
  6. Step 6: Final answer
    x = 107,279,636.98

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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.