Home / 186,719,463.93-257,695,455.21-106,271,015.45

Finding the Fourth Proportional to 186,719,463.93, 257,695,455.21 and 106,271,015.45

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Solution

The fourth proportional to 186,719,463.93, 257,695,455.21 and 106,271,015.45 is: 146,666,861.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,719,463.93 : 257,695,455.21 = 106,271,015.45 : x
  2. Step 2: Convert to fraction form
    186,719,463.93/257,695,455.21 = 106,271,015.45/x
  3. Step 3: Cross multiply
    186,719,463.93x = 257,695,455.21 × 106,271,015.45
  4. Step 4: Simplify right side
    186,719,463.93x = 27,385,557,700,728,216
  5. Step 5: Solve for x
    x = 27,385,557,700,728,216/186,719,463.93
  6. Step 6: Final answer
    x = 146,666,861.21

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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.