Home / 132,926,455.70-199,389,683.55-72,460,279.70

Finding the Fourth Proportional to 132,926,455.70, 199,389,683.55 and 72,460,279.70

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Solution

The fourth proportional to 132,926,455.70, 199,389,683.55 and 72,460,279.70 is: 108,690,419.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,926,455.70 : 199,389,683.55 = 72,460,279.70 : x
  2. Step 2: Convert to fraction form
    132,926,455.70/199,389,683.55 = 72,460,279.70/x
  3. Step 3: Cross multiply
    132,926,455.70x = 199,389,683.55 × 72,460,279.70
  4. Step 4: Simplify right side
    132,926,455.70x = 14,447,832,239,327,490
  5. Step 5: Solve for x
    x = 14,447,832,239,327,490/132,926,455.70
  6. Step 6: Final answer
    x = 108,690,419.55

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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.