Home / 159,141,178.60-219,534,438.06-93,018,477.40

Finding the Fourth Proportional to 159,141,178.60, 219,534,438.06 and 93,018,477.40

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Solution

The fourth proportional to 159,141,178.60, 219,534,438.06 and 93,018,477.40 is: 128,318,511.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,141,178.60 : 219,534,438.06 = 93,018,477.40 : x
  2. Step 2: Convert to fraction form
    159,141,178.60/219,534,438.06 = 93,018,477.40/x
  3. Step 3: Cross multiply
    159,141,178.60x = 219,534,438.06 × 93,018,477.40
  4. Step 4: Simplify right side
    159,141,178.60x = 20,420,759,165,205,812
  5. Step 5: Solve for x
    x = 20,420,759,165,205,812/159,141,178.60
  6. Step 6: Final answer
    x = 128,318,511.56

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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.