Home / 66,576,903.20-99,697,393.20-53,139,975.20

Finding the Fourth Proportional to 66,576,903.20, 99,697,393.20 and 53,139,975.20

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Solution

The fourth proportional to 66,576,903.20, 99,697,393.20 and 53,139,975.20 is: 79,575,900.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,576,903.20 : 99,697,393.20 = 53,139,975.20 : x
  2. Step 2: Convert to fraction form
    66,576,903.20/99,697,393.20 = 53,139,975.20/x
  3. Step 3: Cross multiply
    66,576,903.20x = 99,697,393.20 × 53,139,975.20
  4. Step 4: Simplify right side
    66,576,903.20x = 5,297,917,002,152,649
  5. Step 5: Solve for x
    x = 5,297,917,002,152,649/66,576,903.20
  6. Step 6: Final answer
    x = 79,575,900.16

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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.