Home / 52,201,970.40-78,302,955.60-51,306,175.20

Finding the Fourth Proportional to 52,201,970.40, 78,302,955.60 and 51,306,175.20

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Solution

The fourth proportional to 52,201,970.40, 78,302,955.60 and 51,306,175.20 is: 76,959,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,201,970.40 : 78,302,955.60 = 51,306,175.20 : x
  2. Step 2: Convert to fraction form
    52,201,970.40/78,302,955.60 = 51,306,175.20/x
  3. Step 3: Cross multiply
    52,201,970.40x = 78,302,955.60 × 51,306,175.20
  4. Step 4: Simplify right side
    52,201,970.40x = 4,017,425,158,691,421
  5. Step 5: Solve for x
    x = 4,017,425,158,691,421/52,201,970.40
  6. Step 6: Final answer
    x = 76,959,262.80

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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.