Home / 112,328,486.55-168,492,729.83-99,573,902.55

Finding the Fourth Proportional to 112,328,486.55, 168,492,729.83 and 99,573,902.55

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Solution

The fourth proportional to 112,328,486.55, 168,492,729.83 and 99,573,902.55 is: 149,360,853.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,328,486.55 : 168,492,729.83 = 99,573,902.55 : x
  2. Step 2: Convert to fraction form
    112,328,486.55/168,492,729.83 = 99,573,902.55/x
  3. Step 3: Cross multiply
    112,328,486.55x = 168,492,729.83 × 99,573,902.55
  4. Step 4: Simplify right side
    112,328,486.55x = 16,777,478,659,978,026
  5. Step 5: Solve for x
    x = 16,777,478,659,978,026/112,328,486.55
  6. Step 6: Final answer
    x = 149,360,853.83

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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.