Home / 91,583,676.40-128,557,269.20-91,583,676.40

Finding the Fourth Proportional to 91,583,676.40, 128,557,269.20 and 91,583,676.40

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Solution

The fourth proportional to 91,583,676.40, 128,557,269.20 and 91,583,676.40 is: 128,557,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,583,676.40 : 128,557,269.20 = 91,583,676.40 : x
  2. Step 2: Convert to fraction form
    91,583,676.40/128,557,269.20 = 91,583,676.40/x
  3. Step 3: Cross multiply
    91,583,676.40x = 128,557,269.20 × 91,583,676.40
  4. Step 4: Simplify right side
    91,583,676.40x = 11,773,747,341,280,488
  5. Step 5: Solve for x
    x = 11,773,747,341,280,488/91,583,676.40
  6. Step 6: Final answer
    x = 128,557,269.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.