Home / 102,779,314-154,209,321.69-45,231,216.82

Finding the Fourth Proportional to 102,779,314, 154,209,321.69 and 45,231,216.82

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Solution

The fourth proportional to 102,779,314, 154,209,321.69 and 45,231,216.82 is: 67,864,582.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,779,314 : 154,209,321.69 = 45,231,216.82 : x
  2. Step 2: Convert to fraction form
    102,779,314/154,209,321.69 = 45,231,216.82/x
  3. Step 3: Cross multiply
    102,779,314x = 154,209,321.69 × 45,231,216.82
  4. Step 4: Simplify right side
    102,779,314x = 6,975,075,265,025,519
  5. Step 5: Solve for x
    x = 6,975,075,265,025,519/102,779,314
  6. Step 6: Final answer
    x = 67,864,582.80

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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.