Home / 56,490,740.52-77,959,811.16-31,372,964.70

Finding the Fourth Proportional to 56,490,740.52, 77,959,811.16 and 31,372,964.70

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Solution

The fourth proportional to 56,490,740.52, 77,959,811.16 and 31,372,964.70 is: 43,296,129.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,490,740.52 : 77,959,811.16 = 31,372,964.70 : x
  2. Step 2: Convert to fraction form
    56,490,740.52/77,959,811.16 = 31,372,964.70/x
  3. Step 3: Cross multiply
    56,490,740.52x = 77,959,811.16 × 31,372,964.70
  4. Step 4: Simplify right side
    56,490,740.52x = 2,445,830,403,541,346
  5. Step 5: Solve for x
    x = 2,445,830,403,541,346/56,490,740.52
  6. Step 6: Final answer
    x = 43,296,129.26

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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.