Home / 99,849,932.20-149,774,898.30-83,725,618.60

Finding the Fourth Proportional to 99,849,932.20, 149,774,898.30 and 83,725,618.60

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Solution

The fourth proportional to 99,849,932.20, 149,774,898.30 and 83,725,618.60 is: 125,588,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,849,932.20 : 149,774,898.30 = 83,725,618.60 : x
  2. Step 2: Convert to fraction form
    99,849,932.20/149,774,898.30 = 83,725,618.60/x
  3. Step 3: Cross multiply
    99,849,932.20x = 149,774,898.30 × 83,725,618.60
  4. Step 4: Simplify right side
    99,849,932.20x = 12,539,996,010,919,588
  5. Step 5: Solve for x
    x = 12,539,996,010,919,588/99,849,932.20
  6. Step 6: Final answer
    x = 125,588,427.90

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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.