Home / 55,019,125.32-75,927,178.35-30,241,602.78

Finding the Fourth Proportional to 55,019,125.32, 75,927,178.35 and 30,241,602.78

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Solution

The fourth proportional to 55,019,125.32, 75,927,178.35 and 30,241,602.78 is: 41,733,843.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,019,125.32 : 75,927,178.35 = 30,241,602.78 : x
  2. Step 2: Convert to fraction form
    55,019,125.32/75,927,178.35 = 30,241,602.78/x
  3. Step 3: Cross multiply
    55,019,125.32x = 75,927,178.35 × 30,241,602.78
  4. Step 4: Simplify right side
    55,019,125.32x = 2,296,159,567,866,915.50
  5. Step 5: Solve for x
    x = 2,296,159,567,866,915.50/55,019,125.32
  6. Step 6: Final answer
    x = 41,733,843.54

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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.