Home / 55,658,157.29-76,808,227.32-30,540,431.51

Finding the Fourth Proportional to 55,658,157.29, 76,808,227.32 and 30,540,431.51

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Solution

The fourth proportional to 55,658,157.29, 76,808,227.32 and 30,540,431.51 is: 42,145,779.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,658,157.29 : 76,808,227.32 = 30,540,431.51 : x
  2. Step 2: Convert to fraction form
    55,658,157.29/76,808,227.32 = 30,540,431.51/x
  3. Step 3: Cross multiply
    55,658,157.29x = 76,808,227.32 × 30,540,431.51
  4. Step 4: Simplify right side
    55,658,157.29x = 2,345,756,406,207,006.50
  5. Step 5: Solve for x
    x = 2,345,756,406,207,006.50/55,658,157.29
  6. Step 6: Final answer
    x = 42,145,779.17

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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.