Home / 72,253,715-99,697,263.84-40,891,616.60

Finding the Fourth Proportional to 72,253,715, 99,697,263.84 and 40,891,616.60

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Solution

The fourth proportional to 72,253,715, 99,697,263.84 and 40,891,616.60 is: 56,423,151.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,253,715 : 99,697,263.84 = 40,891,616.60 : x
  2. Step 2: Convert to fraction form
    72,253,715/99,697,263.84 = 40,891,616.60/x
  3. Step 3: Cross multiply
    72,253,715x = 99,697,263.84 × 40,891,616.60
  4. Step 4: Simplify right side
    72,253,715x = 4,076,782,289,014,324
  5. Step 5: Solve for x
    x = 4,076,782,289,014,324/72,253,715
  6. Step 6: Final answer
    x = 56,423,151.24

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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.