Home / 92,768,591.41-128,020,885.64-51,515,482.57

Finding the Fourth Proportional to 92,768,591.41, 128,020,885.64 and 51,515,482.57

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Solution

The fourth proportional to 92,768,591.41, 128,020,885.64 and 51,515,482.57 is: 71,091,493.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,768,591.41 : 128,020,885.64 = 51,515,482.57 : x
  2. Step 2: Convert to fraction form
    92,768,591.41/128,020,885.64 = 51,515,482.57/x
  3. Step 3: Cross multiply
    92,768,591.41x = 128,020,885.64 × 51,515,482.57
  4. Step 4: Simplify right side
    92,768,591.41x = 6,595,057,702,783,383
  5. Step 5: Solve for x
    x = 6,595,057,702,783,383/92,768,591.41
  6. Step 6: Final answer
    x = 71,091,493.39

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1.5x scale

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.