Home / 129,032,064.80-193,548,097.20-115,893,735.20

Finding the Fourth Proportional to 129,032,064.80, 193,548,097.20 and 115,893,735.20

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Solution

The fourth proportional to 129,032,064.80, 193,548,097.20 and 115,893,735.20 is: 173,840,602.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,032,064.80 : 193,548,097.20 = 115,893,735.20 : x
  2. Step 2: Convert to fraction form
    129,032,064.80/193,548,097.20 = 115,893,735.20/x
  3. Step 3: Cross multiply
    129,032,064.80x = 193,548,097.20 × 115,893,735.20
  4. Step 4: Simplify right side
    129,032,064.80x = 22,431,011,925,360,660
  5. Step 5: Solve for x
    x = 22,431,011,925,360,660/129,032,064.80
  6. Step 6: Final answer
    x = 173,840,602.80

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1.5x scale

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.