Home / 56,105,784.30-77,425,248.97-31,326,392.94

Finding the Fourth Proportional to 56,105,784.30, 77,425,248.97 and 31,326,392.94

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Solution

The fourth proportional to 56,105,784.30, 77,425,248.97 and 31,326,392.94 is: 43,230,012.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,105,784.30 : 77,425,248.97 = 31,326,392.94 : x
  2. Step 2: Convert to fraction form
    56,105,784.30/77,425,248.97 = 31,326,392.94/x
  3. Step 3: Cross multiply
    56,105,784.30x = 77,425,248.97 × 31,326,392.94
  4. Step 4: Simplify right side
    56,105,784.30x = 2,425,453,772,895,880.50
  5. Step 5: Solve for x
    x = 2,425,453,772,895,880.50/56,105,784.30
  6. Step 6: Final answer
    x = 43,230,012.79

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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.