Home / 111,456,051.40-167,184,077.10-38,648,634.40

Finding the Fourth Proportional to 111,456,051.40, 167,184,077.10 and 38,648,634.40

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Solution

The fourth proportional to 111,456,051.40, 167,184,077.10 and 38,648,634.40 is: 57,972,951.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,456,051.40 : 167,184,077.10 = 38,648,634.40 : x
  2. Step 2: Convert to fraction form
    111,456,051.40/167,184,077.10 = 38,648,634.40/x
  3. Step 3: Cross multiply
    111,456,051.40x = 167,184,077.10 × 38,648,634.40
  4. Step 4: Simplify right side
    111,456,051.40x = 6,461,436,273,339,312
  5. Step 5: Solve for x
    x = 6,461,436,273,339,312/111,456,051.40
  6. Step 6: Final answer
    x = 57,972,951.60

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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.