Home / 103,094,519.04-142,266,610.08-56,682,011.52

Finding the Fourth Proportional to 103,094,519.04, 142,266,610.08 and 56,682,011.52

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Solution

The fourth proportional to 103,094,519.04, 142,266,610.08 and 56,682,011.52 is: 78,219,072.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,094,519.04 : 142,266,610.08 = 56,682,011.52 : x
  2. Step 2: Convert to fraction form
    103,094,519.04/142,266,610.08 = 56,682,011.52/x
  3. Step 3: Cross multiply
    103,094,519.04x = 142,266,610.08 × 56,682,011.52
  4. Step 4: Simplify right side
    103,094,519.04x = 8,063,957,631,465,909
  5. Step 5: Solve for x
    x = 8,063,957,631,465,909/103,094,519.04
  6. Step 6: Final answer
    x = 78,219,072.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.