Home / 102,549,997.72-141,519,003.80-56,140,251.64

Finding the Fourth Proportional to 102,549,997.72, 141,519,003.80 and 56,140,251.64

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Solution

The fourth proportional to 102,549,997.72, 141,519,003.80 and 56,140,251.64 is: 77,473,551.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,549,997.72 : 141,519,003.80 = 56,140,251.64 : x
  2. Step 2: Convert to fraction form
    102,549,997.72/141,519,003.80 = 56,140,251.64/x
  3. Step 3: Cross multiply
    102,549,997.72x = 141,519,003.80 × 56,140,251.64
  4. Step 4: Simplify right side
    102,549,997.72x = 7,944,912,485,174,117
  5. Step 5: Solve for x
    x = 7,944,912,485,174,117/102,549,997.72
  6. Step 6: Final answer
    x = 77,473,551.07

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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.