Home / 159,141,522.94-219,534,942.60-93,018,821.78

Finding the Fourth Proportional to 159,141,522.94, 219,534,942.60 and 93,018,821.78

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Solution

The fourth proportional to 159,141,522.94, 219,534,942.60 and 93,018,821.78 is: 128,319,003.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,141,522.94 : 219,534,942.60 = 93,018,821.78 : x
  2. Step 2: Convert to fraction form
    159,141,522.94/219,534,942.60 = 93,018,821.78/x
  3. Step 3: Cross multiply
    159,141,522.94x = 219,534,942.60 × 93,018,821.78
  4. Step 4: Simplify right side
    159,141,522.94x = 20,420,881,700,740,768
  5. Step 5: Solve for x
    x = 20,420,881,700,740,768/159,141,522.94
  6. Step 6: Final answer
    x = 128,319,003.89

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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.