Home / 109,848,955.70-164,534,285.10-66,642,802.40

Finding the Fourth Proportional to 109,848,955.70, 164,534,285.10 and 66,642,802.40

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Solution

The fourth proportional to 109,848,955.70, 164,534,285.10 and 66,642,802.40 is: 99,819,117.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,848,955.70 : 164,534,285.10 = 66,642,802.40 : x
  2. Step 2: Convert to fraction form
    109,848,955.70/164,534,285.10 = 66,642,802.40/x
  3. Step 3: Cross multiply
    109,848,955.70x = 164,534,285.10 × 66,642,802.40
  4. Step 4: Simplify right side
    109,848,955.70x = 10,965,025,849,944,564
  5. Step 5: Solve for x
    x = 10,965,025,849,944,564/109,848,955.70
  6. Step 6: Final answer
    x = 99,819,117.81

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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.