Home / 72,457,701.84-108,686,533.32-49,669,511.76

Finding the Fourth Proportional to 72,457,701.84, 108,686,533.32 and 49,669,511.76

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Solution

The fourth proportional to 72,457,701.84, 108,686,533.32 and 49,669,511.76 is: 74,504,254.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,457,701.84 : 108,686,533.32 = 49,669,511.76 : x
  2. Step 2: Convert to fraction form
    72,457,701.84/108,686,533.32 = 49,669,511.76/x
  3. Step 3: Cross multiply
    72,457,701.84x = 108,686,533.32 × 49,669,511.76
  4. Step 4: Simplify right side
    72,457,701.84x = 5,398,407,044,891,371
  5. Step 5: Solve for x
    x = 5,398,407,044,891,371/72,457,701.84
  6. Step 6: Final answer
    x = 74,504,254.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.