Home / 102,902,518.04-154,330,231.28-61,415,108.91

Finding the Fourth Proportional to 102,902,518.04, 154,330,231.28 and 61,415,108.91

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Solution

The fourth proportional to 102,902,518.04, 154,330,231.28 and 61,415,108.91 is: 92,108,610.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,902,518.04 : 154,330,231.28 = 61,415,108.91 : x
  2. Step 2: Convert to fraction form
    102,902,518.04/154,330,231.28 = 61,415,108.91/x
  3. Step 3: Cross multiply
    102,902,518.04x = 154,330,231.28 × 61,415,108.91
  4. Step 4: Simplify right side
    102,902,518.04x = 9,478,207,961,859,612
  5. Step 5: Solve for x
    x = 9,478,207,961,859,612/102,902,518.04
  6. Step 6: Final answer
    x = 92,108,610.58

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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.