Home / 56,549,864.52-78,039,126-31,771,096.20

Finding the Fourth Proportional to 56,549,864.52, 78,039,126 and 31,771,096.20

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Solution

The fourth proportional to 56,549,864.52, 78,039,126 and 31,771,096.20 is: 43,844,288.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,549,864.52 : 78,039,126 = 31,771,096.20 : x
  2. Step 2: Convert to fraction form
    56,549,864.52/78,039,126 = 31,771,096.20/x
  3. Step 3: Cross multiply
    56,549,864.52x = 78,039,126 × 31,771,096.20
  4. Step 4: Simplify right side
    56,549,864.52x = 2,479,388,579,509,921
  5. Step 5: Solve for x
    x = 2,479,388,579,509,921/56,549,864.52
  6. Step 6: Final answer
    x = 43,844,288.59

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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.