Home / 115,250,099.22-172,992,013.50-102,203,247.36

Finding the Fourth Proportional to 115,250,099.22, 172,992,013.50 and 102,203,247.36

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Solution

The fourth proportional to 115,250,099.22, 172,992,013.50 and 102,203,247.36 is: 153,408,506.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,250,099.22 : 172,992,013.50 = 102,203,247.36 : x
  2. Step 2: Convert to fraction form
    115,250,099.22/172,992,013.50 = 102,203,247.36/x
  3. Step 3: Cross multiply
    115,250,099.22x = 172,992,013.50 × 102,203,247.36
  4. Step 4: Simplify right side
    115,250,099.22x = 17,680,345,547,044,960
  5. Step 5: Solve for x
    x = 17,680,345,547,044,960/115,250,099.22
  6. Step 6: Final answer
    x = 153,408,506.08

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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.