Home / 304,900,405.40-457,360,475.76-145,148,991.72

Finding the Fourth Proportional to 304,900,405.40, 457,360,475.76 and 145,148,991.72

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Solution

The fourth proportional to 304,900,405.40, 457,360,475.76 and 145,148,991.72 is: 217,728,185.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,900,405.40 : 457,360,475.76 = 145,148,991.72 : x
  2. Step 2: Convert to fraction form
    304,900,405.40/457,360,475.76 = 145,148,991.72/x
  3. Step 3: Cross multiply
    304,900,405.40x = 457,360,475.76 × 145,148,991.72
  4. Step 4: Simplify right side
    304,900,405.40x = 66,385,411,909,143,496
  5. Step 5: Solve for x
    x = 66,385,411,909,143,496/304,900,405.40
  6. Step 6: Final answer
    x = 217,728,185.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.