Home / 70,916,601,423.90-97,864,184,370.63-39,234,441,516.06

Finding the Fourth Proportional to 70,916,601,423.90, 97,864,184,370.63 and 39,234,441,516.06

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Solution

The fourth proportional to 70,916,601,423.90, 97,864,184,370.63 and 39,234,441,516.06 is: 54,143,127,858.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,916,601,423.90 : 97,864,184,370.63 = 39,234,441,516.06 : x
  2. Step 2: Convert to fraction form
    70,916,601,423.90/97,864,184,370.63 = 39,234,441,516.06/x
  3. Step 3: Cross multiply
    70,916,601,423.90x = 97,864,184,370.63 × 39,234,441,516.06
  4. Step 4: Simplify right side
    70,916,601,423.90x = 3,839,646,618,206,395,695,104
  5. Step 5: Solve for x
    x = 3,839,646,618,206,395,695,104/70,916,601,423.90
  6. Step 6: Final answer
    x = 54,143,127,858.81

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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.