Home / 145,593,900.24-200,924,540.64-86,106,190.20

Finding the Fourth Proportional to 145,593,900.24, 200,924,540.64 and 86,106,190.20

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Solution

The fourth proportional to 145,593,900.24, 200,924,540.64 and 86,106,190.20 is: 118,829,474.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,593,900.24 : 200,924,540.64 = 86,106,190.20 : x
  2. Step 2: Convert to fraction form
    145,593,900.24/200,924,540.64 = 86,106,190.20/x
  3. Step 3: Cross multiply
    145,593,900.24x = 200,924,540.64 × 86,106,190.20
  4. Step 4: Simplify right side
    145,593,900.24x = 17,300,846,712,195,470
  5. Step 5: Solve for x
    x = 17,300,846,712,195,470/145,593,900.24
  6. Step 6: Final answer
    x = 118,829,474.89

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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.