Home / 75,042,055.38-103,622,666.28-47,211,154.50

Finding the Fourth Proportional to 75,042,055.38, 103,622,666.28 and 47,211,154.50

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Solution

The fourth proportional to 75,042,055.38, 103,622,666.28 and 47,211,154.50 is: 65,192,053.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,042,055.38 : 103,622,666.28 = 47,211,154.50 : x
  2. Step 2: Convert to fraction form
    75,042,055.38/103,622,666.28 = 47,211,154.50/x
  3. Step 3: Cross multiply
    75,042,055.38x = 103,622,666.28 × 47,211,154.50
  4. Step 4: Simplify right side
    75,042,055.38x = 4,892,145,707,447,020
  5. Step 5: Solve for x
    x = 4,892,145,707,447,020/75,042,055.38
  6. Step 6: Final answer
    x = 65,192,053.74

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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.