Home / 142,716,443.40-200,206,128.60-142,716,443.40

Finding the Fourth Proportional to 142,716,443.40, 200,206,128.60 and 142,716,443.40

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Solution

The fourth proportional to 142,716,443.40, 200,206,128.60 and 142,716,443.40 is: 200,206,128.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,716,443.40 : 200,206,128.60 = 142,716,443.40 : x
  2. Step 2: Convert to fraction form
    142,716,443.40/200,206,128.60 = 142,716,443.40/x
  3. Step 3: Cross multiply
    142,716,443.40x = 200,206,128.60 × 142,716,443.40
  4. Step 4: Simplify right side
    142,716,443.40x = 28,572,706,620,675,020
  5. Step 5: Solve for x
    x = 28,572,706,620,675,020/142,716,443.40
  6. Step 6: Final answer
    x = 200,206,128.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.