Home / 55,950,143.82-77,213,581.36-31,170,316.64

Finding the Fourth Proportional to 55,950,143.82, 77,213,581.36 and 31,170,316.64

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Solution

The fourth proportional to 55,950,143.82, 77,213,581.36 and 31,170,316.64 is: 43,016,364.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,950,143.82 : 77,213,581.36 = 31,170,316.64 : x
  2. Step 2: Convert to fraction form
    55,950,143.82/77,213,581.36 = 31,170,316.64/x
  3. Step 3: Cross multiply
    55,950,143.82x = 77,213,581.36 × 31,170,316.64
  4. Step 4: Simplify right side
    55,950,143.82x = 2,406,771,779,899,602
  5. Step 5: Solve for x
    x = 2,406,771,779,899,602/55,950,143.82
  6. Step 6: Final answer
    x = 43,016,364.49

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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.