Home / 207,900,893.40-286,903,238.40-115,081,401.24

Finding the Fourth Proportional to 207,900,893.40, 286,903,238.40 and 115,081,401.24

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Solution

The fourth proportional to 207,900,893.40, 286,903,238.40 and 115,081,401.24 is: 158,812,336.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,900,893.40 : 286,903,238.40 = 115,081,401.24 : x
  2. Step 2: Convert to fraction form
    207,900,893.40/286,903,238.40 = 115,081,401.24/x
  3. Step 3: Cross multiply
    207,900,893.40x = 286,903,238.40 × 115,081,401.24
  4. Step 4: Simplify right side
    207,900,893.40x = 33,017,226,695,365,772
  5. Step 5: Solve for x
    x = 33,017,226,695,365,772/207,900,893.40
  6. Step 6: Final answer
    x = 158,812,336.76

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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.