Home / 66,519,139.60-99,704,059.80-37,779,043.60

Finding the Fourth Proportional to 66,519,139.60, 99,704,059.80 and 37,779,043.60

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Solution

The fourth proportional to 66,519,139.60, 99,704,059.80 and 37,779,043.60 is: 56,626,168.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,519,139.60 : 99,704,059.80 = 37,779,043.60 : x
  2. Step 2: Convert to fraction form
    66,519,139.60/99,704,059.80 = 37,779,043.60/x
  3. Step 3: Cross multiply
    66,519,139.60x = 99,704,059.80 × 37,779,043.60
  4. Step 4: Simplify right side
    66,519,139.60x = 3,766,724,022,281,207.50
  5. Step 5: Solve for x
    x = 3,766,724,022,281,207.50/66,519,139.60
  6. Step 6: Final answer
    x = 56,626,168.72

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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.