Home / 265,319,790.80-397,979,686.20-92,739,246.80

Finding the Fourth Proportional to 265,319,790.80, 397,979,686.20 and 92,739,246.80

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Solution

The fourth proportional to 265,319,790.80, 397,979,686.20 and 92,739,246.80 is: 139,108,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,319,790.80 : 397,979,686.20 = 92,739,246.80 : x
  2. Step 2: Convert to fraction form
    265,319,790.80/397,979,686.20 = 92,739,246.80/x
  3. Step 3: Cross multiply
    265,319,790.80x = 397,979,686.20 × 92,739,246.80
  4. Step 4: Simplify right side
    265,319,790.80x = 36,908,336,339,888,352
  5. Step 5: Solve for x
    x = 36,908,336,339,888,352/265,319,790.80
  6. Step 6: Final answer
    x = 139,108,870.20

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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.