Home / 55,694,880.96-76,855,088.10-30,913,118.26

Finding the Fourth Proportional to 55,694,880.96, 76,855,088.10 and 30,913,118.26

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Solution

The fourth proportional to 55,694,880.96, 76,855,088.10 and 30,913,118.26 is: 42,657,967.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,694,880.96 : 76,855,088.10 = 30,913,118.26 : x
  2. Step 2: Convert to fraction form
    55,694,880.96/76,855,088.10 = 30,913,118.26/x
  3. Step 3: Cross multiply
    55,694,880.96x = 76,855,088.10 × 30,913,118.26
  4. Step 4: Simplify right side
    55,694,880.96x = 2,375,830,427,318,018.50
  5. Step 5: Solve for x
    x = 2,375,830,427,318,018.50/55,694,880.96
  6. Step 6: Final answer
    x = 42,657,967.60

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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.