Home / 358,099,961.64-537,149,913.27-99,315,178.56

Finding the Fourth Proportional to 358,099,961.64, 537,149,913.27 and 99,315,178.56

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Solution

The fourth proportional to 358,099,961.64, 537,149,913.27 and 99,315,178.56 is: 148,972,759.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,099,961.64 : 537,149,913.27 = 99,315,178.56 : x
  2. Step 2: Convert to fraction form
    358,099,961.64/537,149,913.27 = 99,315,178.56/x
  3. Step 3: Cross multiply
    358,099,961.64x = 537,149,913.27 × 99,315,178.56
  4. Step 4: Simplify right side
    358,099,961.64x = 53,347,139,549,898,560
  5. Step 5: Solve for x
    x = 53,347,139,549,898,560/358,099,961.64
  6. Step 6: Final answer
    x = 148,972,759.74

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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.