Home / 106,673,038.10-160,009,557.15-72,235,661.30

Finding the Fourth Proportional to 106,673,038.10, 160,009,557.15 and 72,235,661.30

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Solution

The fourth proportional to 106,673,038.10, 160,009,557.15 and 72,235,661.30 is: 108,353,491.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,673,038.10 : 160,009,557.15 = 72,235,661.30 : x
  2. Step 2: Convert to fraction form
    106,673,038.10/160,009,557.15 = 72,235,661.30/x
  3. Step 3: Cross multiply
    106,673,038.10x = 160,009,557.15 × 72,235,661.30
  4. Step 4: Simplify right side
    106,673,038.10x = 11,558,396,175,050,394
  5. Step 5: Solve for x
    x = 11,558,396,175,050,394/106,673,038.10
  6. Step 6: Final answer
    x = 108,353,491.95

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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.