Home / 116,905,679.16-161,330,151.06-64,698,315

Finding the Fourth Proportional to 116,905,679.16, 161,330,151.06 and 64,698,315

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Solution

The fourth proportional to 116,905,679.16, 161,330,151.06 and 64,698,315 is: 89,283,848.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,905,679.16 : 161,330,151.06 = 64,698,315 : x
  2. Step 2: Convert to fraction form
    116,905,679.16/161,330,151.06 = 64,698,315/x
  3. Step 3: Cross multiply
    116,905,679.16x = 161,330,151.06 × 64,698,315
  4. Step 4: Simplify right side
    116,905,679.16x = 10,437,788,932,277,464
  5. Step 5: Solve for x
    x = 10,437,788,932,277,464/116,905,679.16
  6. Step 6: Final answer
    x = 89,283,848.37

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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.