Home / 84,580,289.40-126,870,434.10-83,446,548.60

Finding the Fourth Proportional to 84,580,289.40, 126,870,434.10 and 83,446,548.60

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Solution

The fourth proportional to 84,580,289.40, 126,870,434.10 and 83,446,548.60 is: 125,169,822.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,580,289.40 : 126,870,434.10 = 83,446,548.60 : x
  2. Step 2: Convert to fraction form
    84,580,289.40/126,870,434.10 = 83,446,548.60/x
  3. Step 3: Cross multiply
    84,580,289.40x = 126,870,434.10 × 83,446,548.60
  4. Step 4: Simplify right side
    84,580,289.40x = 10,586,899,845,028,746
  5. Step 5: Solve for x
    x = 10,586,899,845,028,746/84,580,289.40
  6. Step 6: Final answer
    x = 125,169,822.90

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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.