Home / 70,771,351.62-97,661,323.82-39,411,018.20

Finding the Fourth Proportional to 70,771,351.62, 97,661,323.82 and 39,411,018.20

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Solution

The fourth proportional to 70,771,351.62, 97,661,323.82 and 39,411,018.20 is: 54,385,455.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,771,351.62 : 97,661,323.82 = 39,411,018.20 : x
  2. Step 2: Convert to fraction form
    70,771,351.62/97,661,323.82 = 39,411,018.20/x
  3. Step 3: Cross multiply
    70,771,351.62x = 97,661,323.82 × 39,411,018.20
  4. Step 4: Simplify right side
    70,771,351.62x = 3,848,932,210,506,113.50
  5. Step 5: Solve for x
    x = 3,848,932,210,506,113.50/70,771,351.62
  6. Step 6: Final answer
    x = 54,385,455.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.