Home / 85,065,124.60-127,597,686.90-39,631,511.80

Finding the Fourth Proportional to 85,065,124.60, 127,597,686.90 and 39,631,511.80

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Solution

The fourth proportional to 85,065,124.60, 127,597,686.90 and 39,631,511.80 is: 59,447,267.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,065,124.60 : 127,597,686.90 = 39,631,511.80 : x
  2. Step 2: Convert to fraction form
    85,065,124.60/127,597,686.90 = 39,631,511.80/x
  3. Step 3: Cross multiply
    85,065,124.60x = 127,597,686.90 × 39,631,511.80
  4. Step 4: Simplify right side
    85,065,124.60x = 5,056,889,234,030,055
  5. Step 5: Solve for x
    x = 5,056,889,234,030,055/85,065,124.60
  6. Step 6: Final answer
    x = 59,447,267.70

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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.