Home / 129,032,000.30-193,548,000.45-115,893,670.70

Finding the Fourth Proportional to 129,032,000.30, 193,548,000.45 and 115,893,670.70

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Solution

The fourth proportional to 129,032,000.30, 193,548,000.45 and 115,893,670.70 is: 173,840,506.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,032,000.30 : 193,548,000.45 = 115,893,670.70 : x
  2. Step 2: Convert to fraction form
    129,032,000.30/193,548,000.45 = 115,893,670.70/x
  3. Step 3: Cross multiply
    129,032,000.30x = 193,548,000.45 × 115,893,670.70
  4. Step 4: Simplify right side
    129,032,000.30x = 22,430,988,228,795,752
  5. Step 5: Solve for x
    x = 22,430,988,228,795,752/129,032,000.30
  6. Step 6: Final answer
    x = 173,840,506.05

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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.