Home / 102,272,441.32-141,135,029.22-55,862,681.32

Finding the Fourth Proportional to 102,272,441.32, 141,135,029.22 and 55,862,681.32

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Solution

The fourth proportional to 102,272,441.32, 141,135,029.22 and 55,862,681.32 is: 77,089,986.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,272,441.32 : 141,135,029.22 = 55,862,681.32 : x
  2. Step 2: Convert to fraction form
    102,272,441.32/141,135,029.22 = 55,862,681.32/x
  3. Step 3: Cross multiply
    102,272,441.32x = 141,135,029.22 × 55,862,681.32
  4. Step 4: Simplify right side
    102,272,441.32x = 7,884,181,160,405,748
  5. Step 5: Solve for x
    x = 7,884,181,160,405,748/102,272,441.32
  6. Step 6: Final answer
    x = 77,089,986.89

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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.