Home / 76,355,315.81-105,369,450.09-41,547,406.54

Finding the Fourth Proportional to 76,355,315.81, 105,369,450.09 and 41,547,406.54

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Solution

The fourth proportional to 76,355,315.81, 105,369,450.09 and 41,547,406.54 is: 57,334,939.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,355,315.81 : 105,369,450.09 = 41,547,406.54 : x
  2. Step 2: Convert to fraction form
    76,355,315.81/105,369,450.09 = 41,547,406.54/x
  3. Step 3: Cross multiply
    76,355,315.81x = 105,369,450.09 × 41,547,406.54
  4. Step 4: Simplify right side
    76,355,315.81x = 4,377,827,379,366,243.50
  5. Step 5: Solve for x
    x = 4,377,827,379,366,243.50/76,355,315.81
  6. Step 6: Final answer
    x = 57,334,939.06

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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.