Home / 55,488,000.20-83,232,000.30-45,402,009.80

Finding the Fourth Proportional to 55,488,000.20, 83,232,000.30 and 45,402,009.80

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Solution

The fourth proportional to 55,488,000.20, 83,232,000.30 and 45,402,009.80 is: 68,103,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,488,000.20 : 83,232,000.30 = 45,402,009.80 : x
  2. Step 2: Convert to fraction form
    55,488,000.20/83,232,000.30 = 45,402,009.80/x
  3. Step 3: Cross multiply
    55,488,000.20x = 83,232,000.30 × 45,402,009.80
  4. Step 4: Simplify right side
    55,488,000.20x = 3,778,900,093,294,202.50
  5. Step 5: Solve for x
    x = 3,778,900,093,294,202.50/55,488,000.20
  6. Step 6: Final answer
    x = 68,103,014.70

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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.