Home / 119,005,746.98-178,446,684.62-42,317,629.70

Finding the Fourth Proportional to 119,005,746.98, 178,446,684.62 and 42,317,629.70

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Solution

The fourth proportional to 119,005,746.98, 178,446,684.62 and 42,317,629.70 is: 63,454,420.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,005,746.98 : 178,446,684.62 = 42,317,629.70 : x
  2. Step 2: Convert to fraction form
    119,005,746.98/178,446,684.62 = 42,317,629.70/x
  3. Step 3: Cross multiply
    119,005,746.98x = 178,446,684.62 × 42,317,629.70
  4. Step 4: Simplify right side
    119,005,746.98x = 7,551,440,720,155,406
  5. Step 5: Solve for x
    x = 7,551,440,720,155,406/119,005,746.98
  6. Step 6: Final answer
    x = 63,454,420.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.