Home / 55,996,246.43-77,273,128.02-30,878,342.27

Finding the Fourth Proportional to 55,996,246.43, 77,273,128.02 and 30,878,342.27

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Solution

The fourth proportional to 55,996,246.43, 77,273,128.02 and 30,878,342.27 is: 42,611,179.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,996,246.43 : 77,273,128.02 = 30,878,342.27 : x
  2. Step 2: Convert to fraction form
    55,996,246.43/77,273,128.02 = 30,878,342.27/x
  3. Step 3: Cross multiply
    55,996,246.43x = 77,273,128.02 × 30,878,342.27
  4. Step 4: Simplify right side
    55,996,246.43x = 2,386,066,095,560,791.50
  5. Step 5: Solve for x
    x = 2,386,066,095,560,791.50/55,996,246.43
  6. Step 6: Final answer
    x = 42,611,179.28

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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.