Home / 72,818,070.54-100,484,904.26-39,771,739.98

Finding the Fourth Proportional to 72,818,070.54, 100,484,904.26 and 39,771,739.98

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Solution

The fourth proportional to 72,818,070.54, 100,484,904.26 and 39,771,739.98 is: 54,882,798.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,818,070.54 : 100,484,904.26 = 39,771,739.98 : x
  2. Step 2: Convert to fraction form
    72,818,070.54/100,484,904.26 = 39,771,739.98/x
  3. Step 3: Cross multiply
    72,818,070.54x = 100,484,904.26 × 39,771,739.98
  4. Step 4: Simplify right side
    72,818,070.54x = 3,996,459,484,143,914
  5. Step 5: Solve for x
    x = 3,996,459,484,143,914/72,818,070.54
  6. Step 6: Final answer
    x = 54,882,798.38

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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.