Home / 112,571,446.11-155,350,181.94-64,860,331.90

Finding the Fourth Proportional to 112,571,446.11, 155,350,181.94 and 64,860,331.90

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Solution

The fourth proportional to 112,571,446.11, 155,350,181.94 and 64,860,331.90 is: 89,508,172.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,571,446.11 : 155,350,181.94 = 64,860,331.90 : x
  2. Step 2: Convert to fraction form
    112,571,446.11/155,350,181.94 = 64,860,331.90/x
  3. Step 3: Cross multiply
    112,571,446.11x = 155,350,181.94 × 64,860,331.90
  4. Step 4: Simplify right side
    112,571,446.11x = 10,076,064,361,353,786
  5. Step 5: Solve for x
    x = 10,076,064,361,353,786/112,571,446.11
  6. Step 6: Final answer
    x = 89,508,172.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.