Home / 105,527,911.08-145,628,531.12-58,488,021.53

Finding the Fourth Proportional to 105,527,911.08, 145,628,531.12 and 58,488,021.53

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Solution

The fourth proportional to 105,527,911.08, 145,628,531.12 and 58,488,021.53 is: 80,713,477.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,527,911.08 : 145,628,531.12 = 58,488,021.53 : x
  2. Step 2: Convert to fraction form
    105,527,911.08/145,628,531.12 = 58,488,021.53/x
  3. Step 3: Cross multiply
    105,527,911.08x = 145,628,531.12 × 58,488,021.53
  4. Step 4: Simplify right side
    105,527,911.08x = 8,517,524,663,600,467
  5. Step 5: Solve for x
    x = 8,517,524,663,600,467/105,527,911.08
  6. Step 6: Final answer
    x = 80,713,477.38

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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.