Home / 78,919,070.60-108,908,278.98-46,324,022.60

Finding the Fourth Proportional to 78,919,070.60, 108,908,278.98 and 46,324,022.60

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Solution

The fourth proportional to 78,919,070.60, 108,908,278.98 and 46,324,022.60 is: 63,927,128.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,919,070.60 : 108,908,278.98 = 46,324,022.60 : x
  2. Step 2: Convert to fraction form
    78,919,070.60/108,908,278.98 = 46,324,022.60/x
  3. Step 3: Cross multiply
    78,919,070.60x = 108,908,278.98 × 46,324,022.60
  4. Step 4: Simplify right side
    78,919,070.60x = 5,045,069,576,796,625
  5. Step 5: Solve for x
    x = 5,045,069,576,796,625/78,919,070.60
  6. Step 6: Final answer
    x = 63,927,128.62

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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.