Home / 55,307,915.08-76,313,528.28-31,781,907.76

Finding the Fourth Proportional to 55,307,915.08, 76,313,528.28 and 31,781,907.76

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Solution

The fourth proportional to 55,307,915.08, 76,313,528.28 and 31,781,907.76 is: 43,852,485.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,307,915.08 : 76,313,528.28 = 31,781,907.76 : x
  2. Step 2: Convert to fraction form
    55,307,915.08/76,313,528.28 = 31,781,907.76/x
  3. Step 3: Cross multiply
    55,307,915.08x = 76,313,528.28 × 31,781,907.76
  4. Step 4: Simplify right side
    55,307,915.08x = 2,425,389,516,635,111.50
  5. Step 5: Solve for x
    x = 2,425,389,516,635,111.50/55,307,915.08
  6. Step 6: Final answer
    x = 43,852,485.00

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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.