Home / 142,502,033.60-196,651,985.24-77,310,537.92

Finding the Fourth Proportional to 142,502,033.60, 196,651,985.24 and 77,310,537.92

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Solution

The fourth proportional to 142,502,033.60, 196,651,985.24 and 77,310,537.92 is: 106,688,096.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,502,033.60 : 196,651,985.24 = 77,310,537.92 : x
  2. Step 2: Convert to fraction form
    142,502,033.60/196,651,985.24 = 77,310,537.92/x
  3. Step 3: Cross multiply
    142,502,033.60x = 196,651,985.24 × 77,310,537.92
  4. Step 4: Simplify right side
    142,502,033.60x = 15,203,270,761,940,302
  5. Step 5: Solve for x
    x = 15,203,270,761,940,302/142,502,033.60
  6. Step 6: Final answer
    x = 106,688,096.85

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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.