Home / 84,812,859.60-127,219,289.40-57,939,003.60

Finding the Fourth Proportional to 84,812,859.60, 127,219,289.40 and 57,939,003.60

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Solution

The fourth proportional to 84,812,859.60, 127,219,289.40 and 57,939,003.60 is: 86,908,505.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,812,859.60 : 127,219,289.40 = 57,939,003.60 : x
  2. Step 2: Convert to fraction form
    84,812,859.60/127,219,289.40 = 57,939,003.60/x
  3. Step 3: Cross multiply
    84,812,859.60x = 127,219,289.40 × 57,939,003.60
  4. Step 4: Simplify right side
    84,812,859.60x = 7,370,958,866,536,042
  5. Step 5: Solve for x
    x = 7,370,958,866,536,042/84,812,859.60
  6. Step 6: Final answer
    x = 86,908,505.40

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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.