Home / 215,815,026.21-297,824,526.22-116,695,536.41

Finding the Fourth Proportional to 215,815,026.21, 297,824,526.22 and 116,695,536.41

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Solution

The fourth proportional to 215,815,026.21, 297,824,526.22 and 116,695,536.41 is: 161,039,726.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,815,026.21 : 297,824,526.22 = 116,695,536.41 : x
  2. Step 2: Convert to fraction form
    215,815,026.21/297,824,526.22 = 116,695,536.41/x
  3. Step 3: Cross multiply
    215,815,026.21x = 297,824,526.22 × 116,695,536.41
  4. Step 4: Simplify right side
    215,815,026.21x = 34,754,792,843,297,012
  5. Step 5: Solve for x
    x = 34,754,792,843,297,012/215,815,026.21
  6. Step 6: Final answer
    x = 161,039,726.72

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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.