Home / 112,082,501.43-154,677,692.30-65,036,030.81

Finding the Fourth Proportional to 112,082,501.43, 154,677,692.30 and 65,036,030.81

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Solution

The fourth proportional to 112,082,501.43, 154,677,692.30 and 65,036,030.81 is: 89,751,950.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,082,501.43 : 154,677,692.30 = 65,036,030.81 : x
  2. Step 2: Convert to fraction form
    112,082,501.43/154,677,692.30 = 65,036,030.81/x
  3. Step 3: Cross multiply
    112,082,501.43x = 154,677,692.30 × 65,036,030.81
  4. Step 4: Simplify right side
    112,082,501.43x = 10,059,623,160,943,930
  5. Step 5: Solve for x
    x = 10,059,623,160,943,930/112,082,501.43
  6. Step 6: Final answer
    x = 89,751,950.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.