Home / 145,395,485.33-200,645,494.54-79,315,966.13

Finding the Fourth Proportional to 145,395,485.33, 200,645,494.54 and 79,315,966.13

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Solution

The fourth proportional to 145,395,485.33, 200,645,494.54 and 79,315,966.13 is: 109,455,883.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,395,485.33 : 200,645,494.54 = 79,315,966.13 : x
  2. Step 2: Convert to fraction form
    145,395,485.33/200,645,494.54 = 79,315,966.13/x
  3. Step 3: Cross multiply
    145,395,485.33x = 200,645,494.54 × 79,315,966.13
  4. Step 4: Simplify right side
    145,395,485.33x = 15,914,391,247,870,222
  5. Step 5: Solve for x
    x = 15,914,391,247,870,222/145,395,485.33
  6. Step 6: Final answer
    x = 109,455,883.12

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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.