Home / 219,403,261.33-302,776,427.77-120,281,882.29

Finding the Fourth Proportional to 219,403,261.33, 302,776,427.77 and 120,281,882.29

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Solution

The fourth proportional to 219,403,261.33, 302,776,427.77 and 120,281,882.29 is: 165,988,957.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,403,261.33 : 302,776,427.77 = 120,281,882.29 : x
  2. Step 2: Convert to fraction form
    219,403,261.33/302,776,427.77 = 120,281,882.29/x
  3. Step 3: Cross multiply
    219,403,261.33x = 302,776,427.77 × 120,281,882.29
  4. Step 4: Simplify right side
    219,403,261.33x = 36,418,518,644,209,952
  5. Step 5: Solve for x
    x = 36,418,518,644,209,952/219,403,261.33
  6. Step 6: Final answer
    x = 165,988,957.61

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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.