Home / 56,814,594.60-78,404,486.58-30,709,046.28

Finding the Fourth Proportional to 56,814,594.60, 78,404,486.58 and 30,709,046.28

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Solution

The fourth proportional to 56,814,594.60, 78,404,486.58 and 30,709,046.28 is: 42,378,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,814,594.60 : 78,404,486.58 = 30,709,046.28 : x
  2. Step 2: Convert to fraction form
    56,814,594.60/78,404,486.58 = 30,709,046.28/x
  3. Step 3: Cross multiply
    56,814,594.60x = 78,404,486.58 × 30,709,046.28
  4. Step 4: Simplify right side
    56,814,594.60x = 2,407,727,006,944,859
  5. Step 5: Solve for x
    x = 2,407,727,006,944,859/56,814,594.60
  6. Step 6: Final answer
    x = 42,378,670.90

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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.