Home / 130,003,137-179,404,354.98-72,056,385

Finding the Fourth Proportional to 130,003,137, 179,404,354.98 and 72,056,385

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Solution

The fourth proportional to 130,003,137, 179,404,354.98 and 72,056,385 is: 99,437,825.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,003,137 : 179,404,354.98 = 72,056,385 : x
  2. Step 2: Convert to fraction form
    130,003,137/179,404,354.98 = 72,056,385/x
  3. Step 3: Cross multiply
    130,003,137x = 179,404,354.98 × 72,056,385
  4. Step 4: Simplify right side
    130,003,137x = 12,927,229,273,115,546
  5. Step 5: Solve for x
    x = 12,927,229,273,115,546/130,003,137
  6. Step 6: Final answer
    x = 99,437,825.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.