Home / 69,619,041-96,077,265.95-38,679,210.32

Finding the Fourth Proportional to 69,619,041, 96,077,265.95 and 38,679,210.32

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Solution

The fourth proportional to 69,619,041, 96,077,265.95 and 38,679,210.32 is: 53,378,971.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,619,041 : 96,077,265.95 = 38,679,210.32 : x
  2. Step 2: Convert to fraction form
    69,619,041/96,077,265.95 = 38,679,210.32/x
  3. Step 3: Cross multiply
    69,619,041x = 96,077,265.95 × 38,679,210.32
  4. Step 4: Simplify right side
    69,619,041x = 3,716,192,776,266,936
  5. Step 5: Solve for x
    x = 3,716,192,776,266,936/69,619,041
  6. Step 6: Final answer
    x = 53,378,971.08

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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.