Home / 72,818,064.54-100,484,895.99-39,771,733.98

Finding the Fourth Proportional to 72,818,064.54, 100,484,895.99 and 39,771,733.98

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Solution

The fourth proportional to 72,818,064.54, 100,484,895.99 and 39,771,733.98 is: 54,882,790.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,818,064.54 : 100,484,895.99 = 39,771,733.98 : x
  2. Step 2: Convert to fraction form
    72,818,064.54/100,484,895.99 = 39,771,733.98/x
  3. Step 3: Cross multiply
    72,818,064.54x = 100,484,895.99 × 39,771,733.98
  4. Step 4: Simplify right side
    72,818,064.54x = 3,996,458,552,322,248
  5. Step 5: Solve for x
    x = 3,996,458,552,322,248/72,818,064.54
  6. Step 6: Final answer
    x = 54,882,790.11

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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.