Home / 117,809,539.36-176,655,186.22-68,641,282.34

Finding the Fourth Proportional to 117,809,539.36, 176,655,186.22 and 68,641,282.34

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Solution

The fourth proportional to 117,809,539.36, 176,655,186.22 and 68,641,282.34 is: 102,927,475.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,809,539.36 : 176,655,186.22 = 68,641,282.34 : x
  2. Step 2: Convert to fraction form
    117,809,539.36/176,655,186.22 = 68,641,282.34/x
  3. Step 3: Cross multiply
    117,809,539.36x = 176,655,186.22 × 68,641,282.34
  4. Step 4: Simplify right side
    117,809,539.36x = 12,125,838,513,269,020
  5. Step 5: Solve for x
    x = 12,125,838,513,269,020/117,809,539.36
  6. Step 6: Final answer
    x = 102,927,475.82

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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.