Home / 55,586,693.66-76,709,644.54-30,808,480.20

Finding the Fourth Proportional to 55,586,693.66, 76,709,644.54 and 30,808,480.20

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Solution

The fourth proportional to 55,586,693.66, 76,709,644.54 and 30,808,480.20 is: 42,515,706.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,586,693.66 : 76,709,644.54 = 30,808,480.20 : x
  2. Step 2: Convert to fraction form
    55,586,693.66/76,709,644.54 = 30,808,480.20/x
  3. Step 3: Cross multiply
    55,586,693.66x = 76,709,644.54 × 30,808,480.20
  4. Step 4: Simplify right side
    55,586,693.66x = 2,363,307,564,959,628.50
  5. Step 5: Solve for x
    x = 2,363,307,564,959,628.50/55,586,693.66
  6. Step 6: Final answer
    x = 42,515,706.72

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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.