Home / 142,015,535.20-213,023,302.80-61,236,503.20

Finding the Fourth Proportional to 142,015,535.20, 213,023,302.80 and 61,236,503.20

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Solution

The fourth proportional to 142,015,535.20, 213,023,302.80 and 61,236,503.20 is: 91,854,754.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,015,535.20 : 213,023,302.80 = 61,236,503.20 : x
  2. Step 2: Convert to fraction form
    142,015,535.20/213,023,302.80 = 61,236,503.20/x
  3. Step 3: Cross multiply
    142,015,535.20x = 213,023,302.80 × 61,236,503.20
  4. Step 4: Simplify right side
    142,015,535.20x = 13,044,802,163,586,770
  5. Step 5: Solve for x
    x = 13,044,802,163,586,770/142,015,535.20
  6. Step 6: Final answer
    x = 91,854,754.80

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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.