Home / 57,766,011.49-86,657,119.38-18,907,515.77

Finding the Fourth Proportional to 57,766,011.49, 86,657,119.38 and 18,907,515.77

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Solution

The fourth proportional to 57,766,011.49, 86,657,119.38 and 18,907,515.77 is: 28,363,925.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,766,011.49 : 86,657,119.38 = 18,907,515.77 : x
  2. Step 2: Convert to fraction form
    57,766,011.49/86,657,119.38 = 18,907,515.77/x
  3. Step 3: Cross multiply
    57,766,011.49x = 86,657,119.38 × 18,907,515.77
  4. Step 4: Simplify right side
    57,766,011.49x = 1,638,470,851,314,283.25
  5. Step 5: Solve for x
    x = 1,638,470,851,314,283.25/57,766,011.49
  6. Step 6: Final answer
    x = 28,363,925.59

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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.