Home / 171,663,107.15-257,494,660.73-99,103,695.95

Finding the Fourth Proportional to 171,663,107.15, 257,494,660.73 and 99,103,695.95

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Solution

The fourth proportional to 171,663,107.15, 257,494,660.73 and 99,103,695.95 is: 148,655,543.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,663,107.15 : 257,494,660.73 = 99,103,695.95 : x
  2. Step 2: Convert to fraction form
    171,663,107.15/257,494,660.73 = 99,103,695.95/x
  3. Step 3: Cross multiply
    171,663,107.15x = 257,494,660.73 × 99,103,695.95
  4. Step 4: Simplify right side
    171,663,107.15x = 25,518,672,565,734,324
  5. Step 5: Solve for x
    x = 25,518,672,565,734,324/171,663,107.15
  6. Step 6: Final answer
    x = 148,655,543.93

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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.