Home / 151,471,337.63-209,039,813.39-83,576,123.80

Finding the Fourth Proportional to 151,471,337.63, 209,039,813.39 and 83,576,123.80

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Solution

The fourth proportional to 151,471,337.63, 209,039,813.39 and 83,576,123.80 is: 115,340,219.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,471,337.63 : 209,039,813.39 = 83,576,123.80 : x
  2. Step 2: Convert to fraction form
    151,471,337.63/209,039,813.39 = 83,576,123.80/x
  3. Step 3: Cross multiply
    151,471,337.63x = 209,039,813.39 × 83,576,123.80
  4. Step 4: Simplify right side
    151,471,337.63x = 17,470,737,323,550,360
  5. Step 5: Solve for x
    x = 17,470,737,323,550,360/151,471,337.63
  6. Step 6: Final answer
    x = 115,340,219.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.