Home / 91,111,920.40-136,679,868.60-33,644,558.80

Finding the Fourth Proportional to 91,111,920.40, 136,679,868.60 and 33,644,558.80

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Solution

The fourth proportional to 91,111,920.40, 136,679,868.60 and 33,644,558.80 is: 50,471,264.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,111,920.40 : 136,679,868.60 = 33,644,558.80 : x
  2. Step 2: Convert to fraction form
    91,111,920.40/136,679,868.60 = 33,644,558.80/x
  3. Step 3: Cross multiply
    91,111,920.40x = 136,679,868.60 × 33,644,558.80
  4. Step 4: Simplify right side
    91,111,920.40x = 4,598,533,875,888,973
  5. Step 5: Solve for x
    x = 4,598,533,875,888,973/91,111,920.40
  6. Step 6: Final answer
    x = 50,471,264.96

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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.