Home / 132,325,611.20-198,488,416.80-121,744,030.40

Finding the Fourth Proportional to 132,325,611.20, 198,488,416.80 and 121,744,030.40

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Solution

The fourth proportional to 132,325,611.20, 198,488,416.80 and 121,744,030.40 is: 182,616,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,325,611.20 : 198,488,416.80 = 121,744,030.40 : x
  2. Step 2: Convert to fraction form
    132,325,611.20/198,488,416.80 = 121,744,030.40/x
  3. Step 3: Cross multiply
    132,325,611.20x = 198,488,416.80 × 121,744,030.40
  4. Step 4: Simplify right side
    132,325,611.20x = 24,164,779,848,947,072
  5. Step 5: Solve for x
    x = 24,164,779,848,947,072/132,325,611.20
  6. Step 6: Final answer
    x = 182,616,045.60

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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.