Home / 66,433,281.80-99,649,922.70-18,564,225.80

Finding the Fourth Proportional to 66,433,281.80, 99,649,922.70 and 18,564,225.80

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Solution

The fourth proportional to 66,433,281.80, 99,649,922.70 and 18,564,225.80 is: 27,846,338.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,433,281.80 : 99,649,922.70 = 18,564,225.80 : x
  2. Step 2: Convert to fraction form
    66,433,281.80/99,649,922.70 = 18,564,225.80/x
  3. Step 3: Cross multiply
    66,433,281.80x = 99,649,922.70 × 18,564,225.80
  4. Step 4: Simplify right side
    66,433,281.80x = 1,849,923,665,955,345.75
  5. Step 5: Solve for x
    x = 1,849,923,665,955,345.75/66,433,281.80
  6. Step 6: Final answer
    x = 27,846,338.70

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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.