Home / 117,289,511.40-175,934,267.10-74,018,404.20

Finding the Fourth Proportional to 117,289,511.40, 175,934,267.10 and 74,018,404.20

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Solution

The fourth proportional to 117,289,511.40, 175,934,267.10 and 74,018,404.20 is: 111,027,606.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,289,511.40 : 175,934,267.10 = 74,018,404.20 : x
  2. Step 2: Convert to fraction form
    117,289,511.40/175,934,267.10 = 74,018,404.20/x
  3. Step 3: Cross multiply
    117,289,511.40x = 175,934,267.10 × 74,018,404.20
  4. Step 4: Simplify right side
    117,289,511.40x = 13,022,373,694,838,562
  5. Step 5: Solve for x
    x = 13,022,373,694,838,562/117,289,511.40
  6. Step 6: Final answer
    x = 111,027,606.30

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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.