Home / 116,905,673.43-161,330,143.10-64,698,309.27

Finding the Fourth Proportional to 116,905,673.43, 161,330,143.10 and 64,698,309.27

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Solution

The fourth proportional to 116,905,673.43, 161,330,143.10 and 64,698,309.27 is: 89,283,840.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,905,673.43 : 161,330,143.10 = 64,698,309.27 : x
  2. Step 2: Convert to fraction form
    116,905,673.43/161,330,143.10 = 64,698,309.27/x
  3. Step 3: Cross multiply
    116,905,673.43x = 161,330,143.10 × 64,698,309.27
  4. Step 4: Simplify right side
    116,905,673.43x = 10,437,787,492,533,666
  5. Step 5: Solve for x
    x = 10,437,787,492,533,666/116,905,673.43
  6. Step 6: Final answer
    x = 89,283,840.44

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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.