Home / 56,686,739.20-84,967,123.20-31,146,078.40

Finding the Fourth Proportional to 56,686,739.20, 84,967,123.20 and 31,146,078.40

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Solution

The fourth proportional to 56,686,739.20, 84,967,123.20 and 31,146,078.40 is: 46,684,510.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,686,739.20 : 84,967,123.20 = 31,146,078.40 : x
  2. Step 2: Convert to fraction form
    56,686,739.20/84,967,123.20 = 31,146,078.40/x
  3. Step 3: Cross multiply
    56,686,739.20x = 84,967,123.20 × 31,146,078.40
  4. Step 4: Simplify right side
    56,686,739.20x = 2,646,392,680,609,659
  5. Step 5: Solve for x
    x = 2,646,392,680,609,659/56,686,739.20
  6. Step 6: Final answer
    x = 46,684,510.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.