Home / 47,151,070.38-70,726,624.67-21,213,080.89

Finding the Fourth Proportional to 47,151,070.38, 70,726,624.67 and 21,213,080.89

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Solution

The fourth proportional to 47,151,070.38, 70,726,624.67 and 21,213,080.89 is: 31,819,629.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,151,070.38 : 70,726,624.67 = 21,213,080.89 : x
  2. Step 2: Convert to fraction form
    47,151,070.38/70,726,624.67 = 21,213,080.89/x
  3. Step 3: Cross multiply
    47,151,070.38x = 70,726,624.67 × 21,213,080.89
  4. Step 4: Simplify right side
    47,151,070.38x = 1,500,329,610,077,595.75
  5. Step 5: Solve for x
    x = 1,500,329,610,077,595.75/47,151,070.38
  6. Step 6: Final answer
    x = 31,819,629.93

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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.