Home / 43,429,926.40-65,103,417.60-16,128,908.80

Finding the Fourth Proportional to 43,429,926.40, 65,103,417.60 and 16,128,908.80

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Solution

The fourth proportional to 43,429,926.40, 65,103,417.60 and 16,128,908.80 is: 24,177,961.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,429,926.40 : 65,103,417.60 = 16,128,908.80 : x
  2. Step 2: Convert to fraction form
    43,429,926.40/65,103,417.60 = 16,128,908.80/x
  3. Step 3: Cross multiply
    43,429,926.40x = 65,103,417.60 × 16,128,908.80
  4. Step 4: Simplify right side
    43,429,926.40x = 1,050,047,085,038,715
  5. Step 5: Solve for x
    x = 1,050,047,085,038,715/43,429,926.40
  6. Step 6: Final answer
    x = 24,177,961.42

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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.