Home / 90,044,784.34-135,080,628.80-28,635,946.41

Finding the Fourth Proportional to 90,044,784.34, 135,080,628.80 and 28,635,946.41

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Solution

The fourth proportional to 90,044,784.34, 135,080,628.80 and 28,635,946.41 is: 42,958,197.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,044,784.34 : 135,080,628.80 = 28,635,946.41 : x
  2. Step 2: Convert to fraction form
    90,044,784.34/135,080,628.80 = 28,635,946.41/x
  3. Step 3: Cross multiply
    90,044,784.34x = 135,080,628.80 × 28,635,946.41
  4. Step 4: Simplify right side
    90,044,784.34x = 3,868,161,647,345,903
  5. Step 5: Solve for x
    x = 3,868,161,647,345,903/90,044,784.34
  6. Step 6: Final answer
    x = 42,958,197.70

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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.