Home / 102,689,908.94-154,084,686.10-45,174,706.86

Finding the Fourth Proportional to 102,689,908.94, 154,084,686.10 and 45,174,706.86

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Solution

The fourth proportional to 102,689,908.94, 154,084,686.10 and 45,174,706.86 is: 67,783,977.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,689,908.94 : 154,084,686.10 = 45,174,706.86 : x
  2. Step 2: Convert to fraction form
    102,689,908.94/154,084,686.10 = 45,174,706.86/x
  3. Step 3: Cross multiply
    102,689,908.94x = 154,084,686.10 × 45,174,706.86
  4. Step 4: Simplify right side
    102,689,908.94x = 6,960,730,526,182,616
  5. Step 5: Solve for x
    x = 6,960,730,526,182,616/102,689,908.94
  6. Step 6: Final answer
    x = 67,783,977.98

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.