Home / 111,966,345.90-167,937,579.45-39,184,516.80

Finding the Fourth Proportional to 111,966,345.90, 167,937,579.45 and 39,184,516.80

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Solution

The fourth proportional to 111,966,345.90, 167,937,579.45 and 39,184,516.80 is: 58,772,596.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,966,345.90 : 167,937,579.45 = 39,184,516.80 : x
  2. Step 2: Convert to fraction form
    111,966,345.90/167,937,579.45 = 39,184,516.80/x
  3. Step 3: Cross multiply
    111,966,345.90x = 167,937,579.45 × 39,184,516.80
  4. Step 4: Simplify right side
    111,966,345.90x = 6,580,552,903,309,859
  5. Step 5: Solve for x
    x = 6,580,552,903,309,859/111,966,345.90
  6. Step 6: Final answer
    x = 58,772,596.81

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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.