Home / 109,716,605.20-164,574,907.80-99,672,370.30

Finding the Fourth Proportional to 109,716,605.20, 164,574,907.80 and 99,672,370.30

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Solution

The fourth proportional to 109,716,605.20, 164,574,907.80 and 99,672,370.30 is: 149,508,555.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,716,605.20 : 164,574,907.80 = 99,672,370.30 : x
  2. Step 2: Convert to fraction form
    109,716,605.20/164,574,907.80 = 99,672,370.30/x
  3. Step 3: Cross multiply
    109,716,605.20x = 164,574,907.80 × 99,672,370.30
  4. Step 4: Simplify right side
    109,716,605.20x = 16,403,571,152,329,960
  5. Step 5: Solve for x
    x = 16,403,571,152,329,960/109,716,605.20
  6. Step 6: Final answer
    x = 149,508,555.45

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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.