Home / 129,312,013.60-193,968,020.40-124,777,050.40

Finding the Fourth Proportional to 129,312,013.60, 193,968,020.40 and 124,777,050.40

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Solution

The fourth proportional to 129,312,013.60, 193,968,020.40 and 124,777,050.40 is: 187,165,575.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,312,013.60 : 193,968,020.40 = 124,777,050.40 : x
  2. Step 2: Convert to fraction form
    129,312,013.60/193,968,020.40 = 124,777,050.40/x
  3. Step 3: Cross multiply
    129,312,013.60x = 193,968,020.40 × 124,777,050.40
  4. Step 4: Simplify right side
    129,312,013.60x = 24,202,757,457,439,032
  5. Step 5: Solve for x
    x = 24,202,757,457,439,032/129,312,013.60
  6. Step 6: Final answer
    x = 187,165,575.60

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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.