Home / 70,045,662.36-96,671,930.46-40,671,146.82

Finding the Fourth Proportional to 70,045,662.36, 96,671,930.46 and 40,671,146.82

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Solution

The fourth proportional to 70,045,662.36, 96,671,930.46 and 40,671,146.82 is: 56,131,359.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,045,662.36 : 96,671,930.46 = 40,671,146.82 : x
  2. Step 2: Convert to fraction form
    70,045,662.36/96,671,930.46 = 40,671,146.82/x
  3. Step 3: Cross multiply
    70,045,662.36x = 96,671,930.46 × 40,671,146.82
  4. Step 4: Simplify right side
    70,045,662.36x = 3,931,758,277,111,490
  5. Step 5: Solve for x
    x = 3,931,758,277,111,490/70,045,662.36
  6. Step 6: Final answer
    x = 56,131,359.81

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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.