Home / 66,529,206.90-99,793,810.35-40,887,069.30

Finding the Fourth Proportional to 66,529,206.90, 99,793,810.35 and 40,887,069.30

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Solution

The fourth proportional to 66,529,206.90, 99,793,810.35 and 40,887,069.30 is: 61,330,603.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,529,206.90 : 99,793,810.35 = 40,887,069.30 : x
  2. Step 2: Convert to fraction form
    66,529,206.90/99,793,810.35 = 40,887,069.30/x
  3. Step 3: Cross multiply
    66,529,206.90x = 99,793,810.35 × 40,887,069.30
  4. Step 4: Simplify right side
    66,529,206.90x = 4,080,276,439,491,506.50
  5. Step 5: Solve for x
    x = 4,080,276,439,491,506.50/66,529,206.90
  6. Step 6: Final answer
    x = 61,330,603.95

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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.