Home / 72,400,429.80-108,600,644.70-64,464,244.20

Finding the Fourth Proportional to 72,400,429.80, 108,600,644.70 and 64,464,244.20

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Solution

The fourth proportional to 72,400,429.80, 108,600,644.70 and 64,464,244.20 is: 96,696,366.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,400,429.80 : 108,600,644.70 = 64,464,244.20 : x
  2. Step 2: Convert to fraction form
    72,400,429.80/108,600,644.70 = 64,464,244.20/x
  3. Step 3: Cross multiply
    72,400,429.80x = 108,600,644.70 × 64,464,244.20
  4. Step 4: Simplify right side
    72,400,429.80x = 7,000,858,480,218,236
  5. Step 5: Solve for x
    x = 7,000,858,480,218,236/72,400,429.80
  6. Step 6: Final answer
    x = 96,696,366.30

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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.