Home / 56,893,160.48-78,512,561.43-30,787,678.58

Finding the Fourth Proportional to 56,893,160.48, 78,512,561.43 and 30,787,678.58

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Solution

The fourth proportional to 56,893,160.48, 78,512,561.43 and 30,787,678.58 is: 42,486,996.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,893,160.48 : 78,512,561.43 = 30,787,678.58 : x
  2. Step 2: Convert to fraction form
    56,893,160.48/78,512,561.43 = 30,787,678.58/x
  3. Step 3: Cross multiply
    56,893,160.48x = 78,512,561.43 × 30,787,678.58
  4. Step 4: Simplify right side
    56,893,160.48x = 2,417,219,505,799,345
  5. Step 5: Solve for x
    x = 2,417,219,505,799,345/56,893,160.48
  6. Step 6: Final answer
    x = 42,486,996.42

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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.