Home / 56,581,261.12-84,872,484.48-45,293,464

Finding the Fourth Proportional to 56,581,261.12, 84,872,484.48 and 45,293,464

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Solution

The fourth proportional to 56,581,261.12, 84,872,484.48 and 45,293,464 is: 67,940,670.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,581,261.12 : 84,872,484.48 = 45,293,464 : x
  2. Step 2: Convert to fraction form
    56,581,261.12/84,872,484.48 = 45,293,464/x
  3. Step 3: Cross multiply
    56,581,261.12x = 84,872,484.48 × 45,293,464
  4. Step 4: Simplify right side
    56,581,261.12x = 3,844,168,820,385,439
  5. Step 5: Solve for x
    x = 3,844,168,820,385,439/56,581,261.12
  6. Step 6: Final answer
    x = 67,940,670.54

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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.