Home / 154,790,171.44-213,603,985.76-84,226,058.76

Finding the Fourth Proportional to 154,790,171.44, 213,603,985.76 and 84,226,058.76

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Solution

The fourth proportional to 154,790,171.44, 213,603,985.76 and 84,226,058.76 is: 116,228,451.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,790,171.44 : 213,603,985.76 = 84,226,058.76 : x
  2. Step 2: Convert to fraction form
    154,790,171.44/213,603,985.76 = 84,226,058.76/x
  3. Step 3: Cross multiply
    154,790,171.44x = 213,603,985.76 × 84,226,058.76
  4. Step 4: Simplify right side
    154,790,171.44x = 17,991,021,855,991,964
  5. Step 5: Solve for x
    x = 17,991,021,855,991,964/154,790,171.44
  6. Step 6: Final answer
    x = 116,228,451.00

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1.5x scale

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.