Home / 55,139,271.35-82,657,526.70-18,722,761.61

Finding the Fourth Proportional to 55,139,271.35, 82,657,526.70 and 18,722,761.61

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Solution

The fourth proportional to 55,139,271.35, 82,657,526.70 and 18,722,761.61 is: 28,066,696.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,139,271.35 : 82,657,526.70 = 18,722,761.61 : x
  2. Step 2: Convert to fraction form
    55,139,271.35/82,657,526.70 = 18,722,761.61/x
  3. Step 3: Cross multiply
    55,139,271.35x = 82,657,526.70 × 18,722,761.61
  4. Step 4: Simplify right side
    55,139,271.35x = 1,547,577,167,882,954
  5. Step 5: Solve for x
    x = 1,547,577,167,882,954/55,139,271.35
  6. Step 6: Final answer
    x = 28,066,696.02

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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.