Home / 56,881,214.62-78,495,518.12-30,775,159.64

Finding the Fourth Proportional to 56,881,214.62, 78,495,518.12 and 30,775,159.64

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Solution

The fourth proportional to 56,881,214.62, 78,495,518.12 and 30,775,159.64 is: 42,469,418.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,881,214.62 : 78,495,518.12 = 30,775,159.64 : x
  2. Step 2: Convert to fraction form
    56,881,214.62/78,495,518.12 = 30,775,159.64/x
  3. Step 3: Cross multiply
    56,881,214.62x = 78,495,518.12 × 30,775,159.64
  4. Step 4: Simplify right side
    56,881,214.62x = 2,415,712,101,167,513
  5. Step 5: Solve for x
    x = 2,415,712,101,167,513/56,881,214.62
  6. Step 6: Final answer
    x = 42,469,418.37

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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.