Home / 75,536,730.06-113,305,088.93-20,949,314.87

Finding the Fourth Proportional to 75,536,730.06, 113,305,088.93 and 20,949,314.87

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Solution

The fourth proportional to 75,536,730.06, 113,305,088.93 and 20,949,314.87 is: 31,423,970.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,536,730.06 : 113,305,088.93 = 20,949,314.87 : x
  2. Step 2: Convert to fraction form
    75,536,730.06/113,305,088.93 = 20,949,314.87/x
  3. Step 3: Cross multiply
    75,536,730.06x = 113,305,088.93 × 20,949,314.87
  4. Step 4: Simplify right side
    75,536,730.06x = 2,373,663,984,546,437.50
  5. Step 5: Solve for x
    x = 2,373,663,984,546,437.50/75,536,730.06
  6. Step 6: Final answer
    x = 31,423,970.60

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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.