Home / 86,793,971.80-130,340,256.90-61,413,107.80

Finding the Fourth Proportional to 86,793,971.80, 130,340,256.90 and 61,413,107.80

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Solution

The fourth proportional to 86,793,971.80, 130,340,256.90 and 61,413,107.80 is: 92,225,301.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,793,971.80 : 130,340,256.90 = 61,413,107.80 : x
  2. Step 2: Convert to fraction form
    86,793,971.80/130,340,256.90 = 61,413,107.80/x
  3. Step 3: Cross multiply
    86,793,971.80x = 130,340,256.90 × 61,413,107.80
  4. Step 4: Simplify right side
    86,793,971.80x = 8,004,600,247,679,394
  5. Step 5: Solve for x
    x = 8,004,600,247,679,394/86,793,971.80
  6. Step 6: Final answer
    x = 92,225,301.85

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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.