Home / 142,209,676.35-213,314,514.57-39,973,713.98

Finding the Fourth Proportional to 142,209,676.35, 213,314,514.57 and 39,973,713.98

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Solution

The fourth proportional to 142,209,676.35, 213,314,514.57 and 39,973,713.98 is: 59,960,570.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,209,676.35 : 213,314,514.57 = 39,973,713.98 : x
  2. Step 2: Convert to fraction form
    142,209,676.35/213,314,514.57 = 39,973,713.98/x
  3. Step 3: Cross multiply
    142,209,676.35x = 213,314,514.57 × 39,973,713.98
  4. Step 4: Simplify right side
    142,209,676.35x = 8,526,973,392,137,150
  5. Step 5: Solve for x
    x = 8,526,973,392,137,150/142,209,676.35
  6. Step 6: Final answer
    x = 59,960,570.98

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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.