Home / 71,186,497.47-98,238,139.74-41,819,067.81

Finding the Fourth Proportional to 71,186,497.47, 98,238,139.74 and 41,819,067.81

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Solution

The fourth proportional to 71,186,497.47, 98,238,139.74 and 41,819,067.81 is: 57,710,767.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,186,497.47 : 98,238,139.74 = 41,819,067.81 : x
  2. Step 2: Convert to fraction form
    71,186,497.47/98,238,139.74 = 41,819,067.81/x
  3. Step 3: Cross multiply
    71,186,497.47x = 98,238,139.74 × 41,819,067.81
  4. Step 4: Simplify right side
    71,186,497.47x = 4,108,227,427,315,316
  5. Step 5: Solve for x
    x = 4,108,227,427,315,316/71,186,497.47
  6. Step 6: Final answer
    x = 57,710,767.82

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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.