Home / 341,658,020.40-512,574,423.24-99,320,924.40

Finding the Fourth Proportional to 341,658,020.40, 512,574,423.24 and 99,320,924.40

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Solution

The fourth proportional to 341,658,020.40, 512,574,423.24 and 99,320,924.40 is: 149,006,791.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,658,020.40 : 512,574,423.24 = 99,320,924.40 : x
  2. Step 2: Convert to fraction form
    341,658,020.40/512,574,423.24 = 99,320,924.40/x
  3. Step 3: Cross multiply
    341,658,020.40x = 512,574,423.24 × 99,320,924.40
  4. Step 4: Simplify right side
    341,658,020.40x = 50,909,365,539,993,648
  5. Step 5: Solve for x
    x = 50,909,365,539,993,648/341,658,020.40
  6. Step 6: Final answer
    x = 149,006,791.88

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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.