Home / 66,566,066.50-99,849,099.55-18,043,920.46

Finding the Fourth Proportional to 66,566,066.50, 99,849,099.55 and 18,043,920.46

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Solution

The fourth proportional to 66,566,066.50, 99,849,099.55 and 18,043,920.46 is: 27,065,880.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,566,066.50 : 99,849,099.55 = 18,043,920.46 : x
  2. Step 2: Convert to fraction form
    66,566,066.50/99,849,099.55 = 18,043,920.46/x
  3. Step 3: Cross multiply
    66,566,066.50x = 99,849,099.55 × 18,043,920.46
  4. Step 4: Simplify right side
    66,566,066.50x = 1,801,669,210,282,821.75
  5. Step 5: Solve for x
    x = 1,801,669,210,282,821.75/66,566,066.50
  6. Step 6: Final answer
    x = 27,065,880.64

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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.