Home / 54,328,705-74,984,263.14-31,139,377

Finding the Fourth Proportional to 54,328,705, 74,984,263.14 and 31,139,377

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Solution

The fourth proportional to 54,328,705, 74,984,263.14 and 31,139,377 is: 42,978,444.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,328,705 : 74,984,263.14 = 31,139,377 : x
  2. Step 2: Convert to fraction form
    54,328,705/74,984,263.14 = 31,139,377/x
  3. Step 3: Cross multiply
    54,328,705x = 74,984,263.14 × 31,139,377
  4. Step 4: Simplify right side
    54,328,705x = 2,334,963,238,983,664
  5. Step 5: Solve for x
    x = 2,334,963,238,983,664/54,328,705
  6. Step 6: Final answer
    x = 42,978,444.62

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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.