Home / 132,949,491.40-183,469,596.78-77,208,617.80

Finding the Fourth Proportional to 132,949,491.40, 183,469,596.78 and 77,208,617.80

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Solution

The fourth proportional to 132,949,491.40, 183,469,596.78 and 77,208,617.80 is: 106,547,485.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,949,491.40 : 183,469,596.78 = 77,208,617.80 : x
  2. Step 2: Convert to fraction form
    132,949,491.40/183,469,596.78 = 77,208,617.80/x
  3. Step 3: Cross multiply
    132,949,491.40x = 183,469,596.78 × 77,208,617.80
  4. Step 4: Simplify right side
    132,949,491.40x = 14,165,433,975,707,130
  5. Step 5: Solve for x
    x = 14,165,433,975,707,130/132,949,491.40
  6. Step 6: Final answer
    x = 106,547,485.26

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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.