Home / 54,243,339.75-74,856,411.05-31,921,259.49

Finding the Fourth Proportional to 54,243,339.75, 74,856,411.05 and 31,921,259.49

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Solution

The fourth proportional to 54,243,339.75, 74,856,411.05 and 31,921,259.49 is: 44,051,692.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,243,339.75 : 74,856,411.05 = 31,921,259.49 : x
  2. Step 2: Convert to fraction form
    54,243,339.75/74,856,411.05 = 31,921,259.49/x
  3. Step 3: Cross multiply
    54,243,339.75x = 74,856,411.05 × 31,921,259.49
  4. Step 4: Simplify right side
    54,243,339.75x = 2,389,510,921,457,547
  5. Step 5: Solve for x
    x = 2,389,510,921,457,547/54,243,339.75
  6. Step 6: Final answer
    x = 44,051,692.47

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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.