Home / 111,267,505.26-153,558,349.52-61,723,852.43

Finding the Fourth Proportional to 111,267,505.26, 153,558,349.52 and 61,723,852.43

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Solution

The fourth proportional to 111,267,505.26, 153,558,349.52 and 61,723,852.43 is: 85,184,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,267,505.26 : 153,558,349.52 = 61,723,852.43 : x
  2. Step 2: Convert to fraction form
    111,267,505.26/153,558,349.52 = 61,723,852.43/x
  3. Step 3: Cross multiply
    111,267,505.26x = 153,558,349.52 × 61,723,852.43
  4. Step 4: Simplify right side
    111,267,505.26x = 9,478,212,904,090,428
  5. Step 5: Solve for x
    x = 9,478,212,904,090,428/111,267,505.26
  6. Step 6: Final answer
    x = 85,184,015.60

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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.