Home / 116,313,728.45-160,536,763.89-69,298,344

Finding the Fourth Proportional to 116,313,728.45, 160,536,763.89 and 69,298,344

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Solution

The fourth proportional to 116,313,728.45, 160,536,763.89 and 69,298,344 is: 95,645,905.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,313,728.45 : 160,536,763.89 = 69,298,344 : x
  2. Step 2: Convert to fraction form
    116,313,728.45/160,536,763.89 = 69,298,344/x
  3. Step 3: Cross multiply
    116,313,728.45x = 160,536,763.89 × 69,298,344
  4. Step 4: Simplify right side
    116,313,728.45x = 11,124,931,888,695,998
  5. Step 5: Solve for x
    x = 11,124,931,888,695,998/116,313,728.45
  6. Step 6: Final answer
    x = 95,645,905.58

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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.