Home / 56,686,740.20-84,967,124.70-31,146,079.40

Finding the Fourth Proportional to 56,686,740.20, 84,967,124.70 and 31,146,079.40

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Solution

The fourth proportional to 56,686,740.20, 84,967,124.70 and 31,146,079.40 is: 46,684,512.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,686,740.20 : 84,967,124.70 = 31,146,079.40 : x
  2. Step 2: Convert to fraction form
    56,686,740.20/84,967,124.70 = 31,146,079.40/x
  3. Step 3: Cross multiply
    56,686,740.20x = 84,967,124.70 × 31,146,079.40
  4. Step 4: Simplify right side
    56,686,740.20x = 2,646,392,812,295,901
  5. Step 5: Solve for x
    x = 2,646,392,812,295,901/56,686,740.20
  6. Step 6: Final answer
    x = 46,684,512.16

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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.