Home / 57,956,639.36-79,974,968.64-31,850,856.32

Finding the Fourth Proportional to 57,956,639.36, 79,974,968.64 and 31,850,856.32

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Solution

The fourth proportional to 57,956,639.36, 79,974,968.64 and 31,850,856.32 is: 43,951,327.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,956,639.36 : 79,974,968.64 = 31,850,856.32 : x
  2. Step 2: Convert to fraction form
    57,956,639.36/79,974,968.64 = 31,850,856.32/x
  3. Step 3: Cross multiply
    57,956,639.36x = 79,974,968.64 × 31,850,856.32
  4. Step 4: Simplify right side
    57,956,639.36x = 2,547,271,235,349,146
  5. Step 5: Solve for x
    x = 2,547,271,235,349,146/57,956,639.36
  6. Step 6: Final answer
    x = 43,951,327.47

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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.