Home / 56,581,410-84,872,707.68-45,293,612.88

Finding the Fourth Proportional to 56,581,410, 84,872,707.68 and 45,293,612.88

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Solution

The fourth proportional to 56,581,410, 84,872,707.68 and 45,293,612.88 is: 67,940,893.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,581,410 : 84,872,707.68 = 45,293,612.88 : x
  2. Step 2: Convert to fraction form
    56,581,410/84,872,707.68 = 45,293,612.88/x
  3. Step 3: Cross multiply
    56,581,410x = 84,872,707.68 × 45,293,612.88
  4. Step 4: Simplify right side
    56,581,410x = 3,844,191,565,735,323.50
  5. Step 5: Solve for x
    x = 3,844,191,565,735,323.50/56,581,410
  6. Step 6: Final answer
    x = 67,940,893.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.