Home / 68,241,606.40-102,362,409.60-45,283,355.20

Finding the Fourth Proportional to 68,241,606.40, 102,362,409.60 and 45,283,355.20

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Solution

The fourth proportional to 68,241,606.40, 102,362,409.60 and 45,283,355.20 is: 67,925,032.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,241,606.40 : 102,362,409.60 = 45,283,355.20 : x
  2. Step 2: Convert to fraction form
    68,241,606.40/102,362,409.60 = 45,283,355.20/x
  3. Step 3: Cross multiply
    68,241,606.40x = 102,362,409.60 × 45,283,355.20
  4. Step 4: Simplify right side
    68,241,606.40x = 4,635,313,353,044,690
  5. Step 5: Solve for x
    x = 4,635,313,353,044,690/68,241,606.40
  6. Step 6: Final answer
    x = 67,925,032.80

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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.