Home / 132,869,439.60-199,304,159.40-120,114,855.60

Finding the Fourth Proportional to 132,869,439.60, 199,304,159.40 and 120,114,855.60

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Solution

The fourth proportional to 132,869,439.60, 199,304,159.40 and 120,114,855.60 is: 180,172,283.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,869,439.60 : 199,304,159.40 = 120,114,855.60 : x
  2. Step 2: Convert to fraction form
    132,869,439.60/199,304,159.40 = 120,114,855.60/x
  3. Step 3: Cross multiply
    132,869,439.60x = 199,304,159.40 × 120,114,855.60
  4. Step 4: Simplify right side
    132,869,439.60x = 23,939,390,326,810,384
  5. Step 5: Solve for x
    x = 23,939,390,326,810,384/132,869,439.60
  6. Step 6: Final answer
    x = 180,172,283.40

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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.