Home / 145,754,917.41-201,141,801.09-79,675,684.92

Finding the Fourth Proportional to 145,754,917.41, 201,141,801.09 and 79,675,684.92

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Solution

The fourth proportional to 145,754,917.41, 201,141,801.09 and 79,675,684.92 is: 109,952,453.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,754,917.41 : 201,141,801.09 = 79,675,684.92 : x
  2. Step 2: Convert to fraction form
    145,754,917.41/201,141,801.09 = 79,675,684.92/x
  3. Step 3: Cross multiply
    145,754,917.41x = 201,141,801.09 × 79,675,684.92
  4. Step 4: Simplify right side
    145,754,917.41x = 16,026,110,767,888,154
  5. Step 5: Solve for x
    x = 16,026,110,767,888,154/145,754,917.41
  6. Step 6: Final answer
    x = 109,952,453.42

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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.