Home / 55,316,611.13-76,338,145.34-30,536,739.28

Finding the Fourth Proportional to 55,316,611.13, 76,338,145.34 and 30,536,739.28

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Solution

The fourth proportional to 55,316,611.13, 76,338,145.34 and 30,536,739.28 is: 42,141,374.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,316,611.13 : 76,338,145.34 = 30,536,739.28 : x
  2. Step 2: Convert to fraction form
    55,316,611.13/76,338,145.34 = 30,536,739.28/x
  3. Step 3: Cross multiply
    55,316,611.13x = 76,338,145.34 × 30,536,739.28
  4. Step 4: Simplify right side
    55,316,611.13x = 2,331,118,041,423,579
  5. Step 5: Solve for x
    x = 2,331,118,041,423,579/55,316,611.13
  6. Step 6: Final answer
    x = 42,141,374.79

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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.