Home / 154,911,779.52-232,392,888.48-45,747,990.72

Finding the Fourth Proportional to 154,911,779.52, 232,392,888.48 and 45,747,990.72

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Solution

The fourth proportional to 154,911,779.52, 232,392,888.48 and 45,747,990.72 is: 68,629,433.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,911,779.52 : 232,392,888.48 = 45,747,990.72 : x
  2. Step 2: Convert to fraction form
    154,911,779.52/232,392,888.48 = 45,747,990.72/x
  3. Step 3: Cross multiply
    154,911,779.52x = 232,392,888.48 × 45,747,990.72
  4. Step 4: Simplify right side
    154,911,779.52x = 10,631,507,705,577,034
  5. Step 5: Solve for x
    x = 10,631,507,705,577,034/154,911,779.52
  6. Step 6: Final answer
    x = 68,629,433.72

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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.