Home / 289,739,730.24-434,725,730.52-105,520,037.76

Finding the Fourth Proportional to 289,739,730.24, 434,725,730.52 and 105,520,037.76

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Solution

The fourth proportional to 289,739,730.24, 434,725,730.52 and 105,520,037.76 is: 158,322,351.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,739,730.24 : 434,725,730.52 = 105,520,037.76 : x
  2. Step 2: Convert to fraction form
    289,739,730.24/434,725,730.52 = 105,520,037.76/x
  3. Step 3: Cross multiply
    289,739,730.24x = 434,725,730.52 × 105,520,037.76
  4. Step 4: Simplify right side
    289,739,730.24x = 45,872,275,499,713,984
  5. Step 5: Solve for x
    x = 45,872,275,499,713,984/289,739,730.24
  6. Step 6: Final answer
    x = 158,322,351.79

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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.