Home / 158,712,774.54-219,011,537.06-89,084,703.54

Finding the Fourth Proportional to 158,712,774.54, 219,011,537.06 and 89,084,703.54

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Solution

The fourth proportional to 158,712,774.54, 219,011,537.06 and 89,084,703.54 is: 122,930,103.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,712,774.54 : 219,011,537.06 = 89,084,703.54 : x
  2. Step 2: Convert to fraction form
    158,712,774.54/219,011,537.06 = 89,084,703.54/x
  3. Step 3: Cross multiply
    158,712,774.54x = 219,011,537.06 × 89,084,703.54
  4. Step 4: Simplify right side
    158,712,774.54x = 19,510,577,850,829,824
  5. Step 5: Solve for x
    x = 19,510,577,850,829,824/158,712,774.54
  6. Step 6: Final answer
    x = 122,930,103.81

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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.