Home / 52,531,146.74-72,512,327.05-31,624,151.20

Finding the Fourth Proportional to 52,531,146.74, 72,512,327.05 and 31,624,151.20

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Solution

The fourth proportional to 52,531,146.74, 72,512,327.05 and 31,624,151.20 is: 43,652,974.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,531,146.74 : 72,512,327.05 = 31,624,151.20 : x
  2. Step 2: Convert to fraction form
    52,531,146.74/72,512,327.05 = 31,624,151.20/x
  3. Step 3: Cross multiply
    52,531,146.74x = 72,512,327.05 × 31,624,151.20
  4. Step 4: Simplify right side
    52,531,146.74x = 2,293,140,794,232,709
  5. Step 5: Solve for x
    x = 2,293,140,794,232,709/52,531,146.74
  6. Step 6: Final answer
    x = 43,652,974.21

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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.