Home / 124,526,579.60-186,789,869.40-67,130,951.60

Finding the Fourth Proportional to 124,526,579.60, 186,789,869.40 and 67,130,951.60

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Solution

The fourth proportional to 124,526,579.60, 186,789,869.40 and 67,130,951.60 is: 100,696,427.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,526,579.60 : 186,789,869.40 = 67,130,951.60 : x
  2. Step 2: Convert to fraction form
    124,526,579.60/186,789,869.40 = 67,130,951.60/x
  3. Step 3: Cross multiply
    124,526,579.60x = 186,789,869.40 × 67,130,951.60
  4. Step 4: Simplify right side
    124,526,579.60x = 12,539,381,682,061,720
  5. Step 5: Solve for x
    x = 12,539,381,682,061,720/124,526,579.60
  6. Step 6: Final answer
    x = 100,696,427.40

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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.