Home / 116,720,574.56-161,094,394.32-67,856,346.08

Finding the Fourth Proportional to 116,720,574.56, 161,094,394.32 and 67,856,346.08

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Solution

The fourth proportional to 116,720,574.56, 161,094,394.32 and 67,856,346.08 is: 93,653,385.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,720,574.56 : 161,094,394.32 = 67,856,346.08 : x
  2. Step 2: Convert to fraction form
    116,720,574.56/161,094,394.32 = 67,856,346.08/x
  3. Step 3: Cross multiply
    116,720,574.56x = 161,094,394.32 × 67,856,346.08
  4. Step 4: Simplify right side
    116,720,574.56x = 10,931,276,972,525,906
  5. Step 5: Solve for x
    x = 10,931,276,972,525,906/116,720,574.56
  6. Step 6: Final answer
    x = 93,653,385.56

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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.