Home / 66,436,038.60-99,654,057.90-28,084,806.60

Finding the Fourth Proportional to 66,436,038.60, 99,654,057.90 and 28,084,806.60

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Solution

The fourth proportional to 66,436,038.60, 99,654,057.90 and 28,084,806.60 is: 42,127,209.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,436,038.60 : 99,654,057.90 = 28,084,806.60 : x
  2. Step 2: Convert to fraction form
    66,436,038.60/99,654,057.90 = 28,084,806.60/x
  3. Step 3: Cross multiply
    66,436,038.60x = 99,654,057.90 × 28,084,806.60
  4. Step 4: Simplify right side
    66,436,038.60x = 2,798,764,943,026,702.50
  5. Step 5: Solve for x
    x = 2,798,764,943,026,702.50/66,436,038.60
  6. Step 6: Final answer
    x = 42,127,209.90

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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.