Home / 66,566,059.88-99,849,089.61-18,043,913.84

Finding the Fourth Proportional to 66,566,059.88, 99,849,089.61 and 18,043,913.84

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Solution

The fourth proportional to 66,566,059.88, 99,849,089.61 and 18,043,913.84 is: 27,065,870.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,566,059.88 : 99,849,089.61 = 18,043,913.84 : x
  2. Step 2: Convert to fraction form
    66,566,059.88/99,849,089.61 = 18,043,913.84/x
  3. Step 3: Cross multiply
    66,566,059.88x = 99,849,089.61 × 18,043,913.84
  4. Step 4: Simplify right side
    66,566,059.88x = 1,801,668,369,426,033.75
  5. Step 5: Solve for x
    x = 1,801,668,369,426,033.75/66,566,059.88
  6. Step 6: Final answer
    x = 27,065,870.70

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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.