Home / 84,101,368.80-126,128,433.60-26,611,262.40

Finding the Fourth Proportional to 84,101,368.80, 126,128,433.60 and 26,611,262.40

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Solution

The fourth proportional to 84,101,368.80, 126,128,433.60 and 26,611,262.40 is: 39,909,419.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,101,368.80 : 126,128,433.60 = 26,611,262.40 : x
  2. Step 2: Convert to fraction form
    84,101,368.80/126,128,433.60 = 26,611,262.40/x
  3. Step 3: Cross multiply
    84,101,368.80x = 126,128,433.60 × 26,611,262.40
  4. Step 4: Simplify right side
    84,101,368.80x = 3,356,436,842,630,576.50
  5. Step 5: Solve for x
    x = 3,356,436,842,630,576.50/84,101,368.80
  6. Step 6: Final answer
    x = 39,909,419.91

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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.