Home / 105,704,653.05-145,875,738.45-61,049,795.59

Finding the Fourth Proportional to 105,704,653.05, 145,875,738.45 and 61,049,795.59

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Solution

The fourth proportional to 105,704,653.05, 145,875,738.45 and 61,049,795.59 is: 84,250,633.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,704,653.05 : 145,875,738.45 = 61,049,795.59 : x
  2. Step 2: Convert to fraction form
    105,704,653.05/145,875,738.45 = 61,049,795.59/x
  3. Step 3: Cross multiply
    105,704,653.05x = 145,875,738.45 × 61,049,795.59
  4. Step 4: Simplify right side
    105,704,653.05x = 8,905,684,013,160,435
  5. Step 5: Solve for x
    x = 8,905,684,013,160,435/105,704,653.05
  6. Step 6: Final answer
    x = 84,250,633.78

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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.