Home / 68,485,455.92-102,726,686.70-16,670,332.24

Finding the Fourth Proportional to 68,485,455.92, 102,726,686.70 and 16,670,332.24

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Solution

The fourth proportional to 68,485,455.92, 102,726,686.70 and 16,670,332.24 is: 25,005,133.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,485,455.92 : 102,726,686.70 = 16,670,332.24 : x
  2. Step 2: Convert to fraction form
    68,485,455.92/102,726,686.70 = 16,670,332.24/x
  3. Step 3: Cross multiply
    68,485,455.92x = 102,726,686.70 × 16,670,332.24
  4. Step 4: Simplify right side
    68,485,455.92x = 1,712,487,996,946,572.50
  5. Step 5: Solve for x
    x = 1,712,487,996,946,572.50/68,485,455.92
  6. Step 6: Final answer
    x = 25,005,133.92

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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.