Home / 71,966,048.40-107,949,072.60-70,531,157.70

Finding the Fourth Proportional to 71,966,048.40, 107,949,072.60 and 70,531,157.70

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Solution

The fourth proportional to 71,966,048.40, 107,949,072.60 and 70,531,157.70 is: 105,796,736.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,966,048.40 : 107,949,072.60 = 70,531,157.70 : x
  2. Step 2: Convert to fraction form
    71,966,048.40/107,949,072.60 = 70,531,157.70/x
  3. Step 3: Cross multiply
    71,966,048.40x = 107,949,072.60 × 70,531,157.70
  4. Step 4: Simplify right side
    71,966,048.40x = 7,613,773,063,119,349
  5. Step 5: Solve for x
    x = 7,613,773,063,119,349/71,966,048.40
  6. Step 6: Final answer
    x = 105,796,736.55

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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.