Home / 92,768,593.41-128,020,888.40-51,515,484.57

Finding the Fourth Proportional to 92,768,593.41, 128,020,888.40 and 51,515,484.57

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Solution

The fourth proportional to 92,768,593.41, 128,020,888.40 and 51,515,484.57 is: 71,091,496.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,768,593.41 : 128,020,888.40 = 51,515,484.57 : x
  2. Step 2: Convert to fraction form
    92,768,593.41/128,020,888.40 = 51,515,484.57/x
  3. Step 3: Cross multiply
    92,768,593.41x = 128,020,888.40 × 51,515,484.57
  4. Step 4: Simplify right side
    92,768,593.41x = 6,595,058,100,750,314
  5. Step 5: Solve for x
    x = 6,595,058,100,750,314/92,768,593.41
  6. Step 6: Final answer
    x = 71,091,496.14

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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.