Home / 117,904,040.20-176,688,098.70-86,957,115.40

Finding the Fourth Proportional to 117,904,040.20, 176,688,098.70 and 86,957,115.40

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Solution

The fourth proportional to 117,904,040.20, 176,688,098.70 and 86,957,115.40 is: 130,311,797.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,904,040.20 : 176,688,098.70 = 86,957,115.40 : x
  2. Step 2: Convert to fraction form
    117,904,040.20/176,688,098.70 = 86,957,115.40/x
  3. Step 3: Cross multiply
    117,904,040.20x = 176,688,098.70 × 86,957,115.40
  4. Step 4: Simplify right side
    117,904,040.20x = 15,364,287,388,462,490
  5. Step 5: Solve for x
    x = 15,364,287,388,462,490/117,904,040.20
  6. Step 6: Final answer
    x = 130,311,797.31

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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.