Home / 56,185,342.72-77,542,068.48-31,740,632.32

Finding the Fourth Proportional to 56,185,342.72, 77,542,068.48 and 31,740,632.32

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Solution

The fourth proportional to 56,185,342.72, 77,542,068.48 and 31,740,632.32 is: 43,805,629.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,185,342.72 : 77,542,068.48 = 31,740,632.32 : x
  2. Step 2: Convert to fraction form
    56,185,342.72/77,542,068.48 = 31,740,632.32/x
  3. Step 3: Cross multiply
    56,185,342.72x = 77,542,068.48 × 31,740,632.32
  4. Step 4: Simplify right side
    56,185,342.72x = 2,461,234,284,955,941.50
  5. Step 5: Solve for x
    x = 2,461,234,284,955,941.50/56,185,342.72
  6. Step 6: Final answer
    x = 43,805,629.12

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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.