Home / 77,652,596.70-107,162,826.80-42,847,529.04

Finding the Fourth Proportional to 77,652,596.70, 107,162,826.80 and 42,847,529.04

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Solution

The fourth proportional to 77,652,596.70, 107,162,826.80 and 42,847,529.04 is: 59,130,827.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,652,596.70 : 107,162,826.80 = 42,847,529.04 : x
  2. Step 2: Convert to fraction form
    77,652,596.70/107,162,826.80 = 42,847,529.04/x
  3. Step 3: Cross multiply
    77,652,596.70x = 107,162,826.80 × 42,847,529.04
  4. Step 4: Simplify right side
    77,652,596.70x = 4,591,662,333,107,253
  5. Step 5: Solve for x
    x = 4,591,662,333,107,253/77,652,596.70
  6. Step 6: Final answer
    x = 59,130,827.92

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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.