Home / 55,423,467.58-76,467,586.20-38,677,761.68

Finding the Fourth Proportional to 55,423,467.58, 76,467,586.20 and 38,677,761.68

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Solution

The fourth proportional to 55,423,467.58, 76,467,586.20 and 38,677,761.68 is: 53,363,587.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,423,467.58 : 76,467,586.20 = 38,677,761.68 : x
  2. Step 2: Convert to fraction form
    55,423,467.58/76,467,586.20 = 38,677,761.68/x
  3. Step 3: Cross multiply
    55,423,467.58x = 76,467,586.20 × 38,677,761.68
  4. Step 4: Simplify right side
    55,423,467.58x = 2,957,595,075,288,457
  5. Step 5: Solve for x
    x = 2,957,595,075,288,457/55,423,467.58
  6. Step 6: Final answer
    x = 53,363,587.74

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1.5x scale

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.