Home / 75,882,483-104,732,012.88-43,287,435

Finding the Fourth Proportional to 75,882,483, 104,732,012.88 and 43,287,435

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Solution

The fourth proportional to 75,882,483, 104,732,012.88 and 43,287,435 is: 59,744,752.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,882,483 : 104,732,012.88 = 43,287,435 : x
  2. Step 2: Convert to fraction form
    75,882,483/104,732,012.88 = 43,287,435/x
  3. Step 3: Cross multiply
    75,882,483x = 104,732,012.88 × 43,287,435
  4. Step 4: Simplify right side
    75,882,483x = 4,533,580,199,962,163
  5. Step 5: Solve for x
    x = 4,533,580,199,962,163/75,882,483
  6. Step 6: Final answer
    x = 59,744,752.95

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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.