Home / 38,307,675.20-57,461,512.80-31,505,230.40

Finding the Fourth Proportional to 38,307,675.20, 57,461,512.80 and 31,505,230.40

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Solution

The fourth proportional to 38,307,675.20, 57,461,512.80 and 31,505,230.40 is: 47,257,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,307,675.20 : 57,461,512.80 = 31,505,230.40 : x
  2. Step 2: Convert to fraction form
    38,307,675.20/57,461,512.80 = 31,505,230.40/x
  3. Step 3: Cross multiply
    38,307,675.20x = 57,461,512.80 × 31,505,230.40
  4. Step 4: Simplify right side
    38,307,675.20x = 1,810,338,199,896,549
  5. Step 5: Solve for x
    x = 1,810,338,199,896,549/38,307,675.20
  6. Step 6: Final answer
    x = 47,257,845.60

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1.5x scale

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.