Home / 42,670,503.23-63,979,835.54-16,731,729.45

Finding the Fourth Proportional to 42,670,503.23, 63,979,835.54 and 16,731,729.45

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Solution

The fourth proportional to 42,670,503.23, 63,979,835.54 and 16,731,729.45 is: 25,087,430.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,670,503.23 : 63,979,835.54 = 16,731,729.45 : x
  2. Step 2: Convert to fraction form
    42,670,503.23/63,979,835.54 = 16,731,729.45/x
  3. Step 3: Cross multiply
    42,670,503.23x = 63,979,835.54 × 16,731,729.45
  4. Step 4: Simplify right side
    42,670,503.23x = 1,070,493,298,427,115.88
  5. Step 5: Solve for x
    x = 1,070,493,298,427,115.88/42,670,503.23
  6. Step 6: Final answer
    x = 25,087,430.84

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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.