Home / 85,046,553.60-127,569,830.40-69,930,009.60

Finding the Fourth Proportional to 85,046,553.60, 127,569,830.40 and 69,930,009.60

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Solution

The fourth proportional to 85,046,553.60, 127,569,830.40 and 69,930,009.60 is: 104,895,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,046,553.60 : 127,569,830.40 = 69,930,009.60 : x
  2. Step 2: Convert to fraction form
    85,046,553.60/127,569,830.40 = 69,930,009.60/x
  3. Step 3: Cross multiply
    85,046,553.60x = 127,569,830.40 × 69,930,009.60
  4. Step 4: Simplify right side
    85,046,553.60x = 8,920,959,464,542,371
  5. Step 5: Solve for x
    x = 8,920,959,464,542,371/85,046,553.60
  6. Step 6: Final answer
    x = 104,895,014.40

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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.