Home / 117,509,703.12-162,164,859.84-64,592,188.29

Finding the Fourth Proportional to 117,509,703.12, 162,164,859.84 and 64,592,188.29

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Solution

The fourth proportional to 117,509,703.12, 162,164,859.84 and 64,592,188.29 is: 89,138,027.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,509,703.12 : 162,164,859.84 = 64,592,188.29 : x
  2. Step 2: Convert to fraction form
    117,509,703.12/162,164,859.84 = 64,592,188.29/x
  3. Step 3: Cross multiply
    117,509,703.12x = 162,164,859.84 × 64,592,188.29
  4. Step 4: Simplify right side
    117,509,703.12x = 10,474,583,160,806,740
  5. Step 5: Solve for x
    x = 10,474,583,160,806,740/117,509,703.12
  6. Step 6: Final answer
    x = 89,138,027.61

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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.