Home / 262,657,072.40-393,985,608.60-71,180,848.40

Finding the Fourth Proportional to 262,657,072.40, 393,985,608.60 and 71,180,848.40

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Solution

The fourth proportional to 262,657,072.40, 393,985,608.60 and 71,180,848.40 is: 106,771,272.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,657,072.40 : 393,985,608.60 = 71,180,848.40 : x
  2. Step 2: Convert to fraction form
    262,657,072.40/393,985,608.60 = 71,180,848.40/x
  3. Step 3: Cross multiply
    262,657,072.40x = 393,985,608.60 × 71,180,848.40
  4. Step 4: Simplify right side
    262,657,072.40x = 28,044,229,877,538,340
  5. Step 5: Solve for x
    x = 28,044,229,877,538,340/262,657,072.40
  6. Step 6: Final answer
    x = 106,771,272.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.