Home / 83,765,999.60-125,648,999.40-56,556,220.40

Finding the Fourth Proportional to 83,765,999.60, 125,648,999.40 and 56,556,220.40

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Solution

The fourth proportional to 83,765,999.60, 125,648,999.40 and 56,556,220.40 is: 84,834,330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,765,999.60 : 125,648,999.40 = 56,556,220.40 : x
  2. Step 2: Convert to fraction form
    83,765,999.60/125,648,999.40 = 56,556,220.40/x
  3. Step 3: Cross multiply
    83,765,999.60x = 125,648,999.40 × 56,556,220.40
  4. Step 4: Simplify right side
    83,765,999.60x = 7,106,232,503,105,868
  5. Step 5: Solve for x
    x = 7,106,232,503,105,868/83,765,999.60
  6. Step 6: Final answer
    x = 84,834,330.60

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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.