Home / 209,083,026.72-288,534,814.32-116,261,541.66

Finding the Fourth Proportional to 209,083,026.72, 288,534,814.32 and 116,261,541.66

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Solution

The fourth proportional to 209,083,026.72, 288,534,814.32 and 116,261,541.66 is: 160,441,059.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,083,026.72 : 288,534,814.32 = 116,261,541.66 : x
  2. Step 2: Convert to fraction form
    209,083,026.72/288,534,814.32 = 116,261,541.66/x
  3. Step 3: Cross multiply
    209,083,026.72x = 288,534,814.32 × 116,261,541.66
  4. Step 4: Simplify right side
    209,083,026.72x = 33,545,502,335,425,044
  5. Step 5: Solve for x
    x = 33,545,502,335,425,044/209,083,026.72
  6. Step 6: Final answer
    x = 160,441,059.52

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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.