Home / 71,990,438.94-99,349,625.02-40,629,583.40

Finding the Fourth Proportional to 71,990,438.94, 99,349,625.02 and 40,629,583.40

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Solution

The fourth proportional to 71,990,438.94, 99,349,625.02 and 40,629,583.40 is: 56,070,416.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,990,438.94 : 99,349,625.02 = 40,629,583.40 : x
  2. Step 2: Convert to fraction form
    71,990,438.94/99,349,625.02 = 40,629,583.40/x
  3. Step 3: Cross multiply
    71,990,438.94x = 99,349,625.02 × 40,629,583.40
  4. Step 4: Simplify right side
    71,990,438.94x = 4,036,533,875,508,816.50
  5. Step 5: Solve for x
    x = 4,036,533,875,508,816.50/71,990,438.94
  6. Step 6: Final answer
    x = 56,070,416.22

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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.