Home / 109,889,940.70-164,834,911.05-45,240,143.05

Finding the Fourth Proportional to 109,889,940.70, 164,834,911.05 and 45,240,143.05

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Solution

The fourth proportional to 109,889,940.70, 164,834,911.05 and 45,240,143.05 is: 67,860,214.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,889,940.70 : 164,834,911.05 = 45,240,143.05 : x
  2. Step 2: Convert to fraction form
    109,889,940.70/164,834,911.05 = 45,240,143.05/x
  3. Step 3: Cross multiply
    109,889,940.70x = 164,834,911.05 × 45,240,143.05
  4. Step 4: Simplify right side
    109,889,940.70x = 7,457,154,955,536,026
  5. Step 5: Solve for x
    x = 7,457,154,955,536,026/109,889,940.70
  6. Step 6: Final answer
    x = 67,860,214.58

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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.