Home / 71,009,970.80-106,514,956.20-56,661,063.80

Finding the Fourth Proportional to 71,009,970.80, 106,514,956.20 and 56,661,063.80

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Solution

The fourth proportional to 71,009,970.80, 106,514,956.20 and 56,661,063.80 is: 84,991,595.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,009,970.80 : 106,514,956.20 = 56,661,063.80 : x
  2. Step 2: Convert to fraction form
    71,009,970.80/106,514,956.20 = 56,661,063.80/x
  3. Step 3: Cross multiply
    71,009,970.80x = 106,514,956.20 × 56,661,063.80
  4. Step 4: Simplify right side
    71,009,970.80x = 6,035,250,728,902,405
  5. Step 5: Solve for x
    x = 6,035,250,728,902,405/71,009,970.80
  6. Step 6: Final answer
    x = 84,991,595.70

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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.