Home / 132,860,437.20-199,290,655.80-84,552,450.30

Finding the Fourth Proportional to 132,860,437.20, 199,290,655.80 and 84,552,450.30

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Solution

The fourth proportional to 132,860,437.20, 199,290,655.80 and 84,552,450.30 is: 126,828,675.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,860,437.20 : 199,290,655.80 = 84,552,450.30 : x
  2. Step 2: Convert to fraction form
    132,860,437.20/199,290,655.80 = 84,552,450.30/x
  3. Step 3: Cross multiply
    132,860,437.20x = 199,290,655.80 × 84,552,450.30
  4. Step 4: Simplify right side
    132,860,437.20x = 16,850,513,269,783,908
  5. Step 5: Solve for x
    x = 16,850,513,269,783,908/132,860,437.20
  6. Step 6: Final answer
    x = 126,828,675.45

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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.