Home / 83,126,833.40-124,477,673.70-61,444,040.60

Finding the Fourth Proportional to 83,126,833.40, 124,477,673.70 and 61,444,040.60

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Solution

The fourth proportional to 83,126,833.40, 124,477,673.70 and 61,444,040.60 is: 92,008,932.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,126,833.40 : 124,477,673.70 = 61,444,040.60 : x
  2. Step 2: Convert to fraction form
    83,126,833.40/124,477,673.70 = 61,444,040.60/x
  3. Step 3: Cross multiply
    83,126,833.40x = 124,477,673.70 × 61,444,040.60
  4. Step 4: Simplify right side
    83,126,833.40x = 7,648,411,236,616,353
  5. Step 5: Solve for x
    x = 7,648,411,236,616,353/83,126,833.40
  6. Step 6: Final answer
    x = 92,008,932.90

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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.