Home / 55,508,139.84-76,602,139.92-30,389,830.08

Finding the Fourth Proportional to 55,508,139.84, 76,602,139.92 and 30,389,830.08

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Solution

The fourth proportional to 55,508,139.84, 76,602,139.92 and 30,389,830.08 is: 41,938,462.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,508,139.84 : 76,602,139.92 = 30,389,830.08 : x
  2. Step 2: Convert to fraction form
    55,508,139.84/76,602,139.92 = 30,389,830.08/x
  3. Step 3: Cross multiply
    55,508,139.84x = 76,602,139.92 × 30,389,830.08
  4. Step 4: Simplify right side
    55,508,139.84x = 2,327,926,015,933,184.50
  5. Step 5: Solve for x
    x = 2,327,926,015,933,184.50/55,508,139.84
  6. Step 6: Final answer
    x = 41,938,462.05

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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.