Home / 136,742,000.24-188,704,003.80-74,866,267.76

Finding the Fourth Proportional to 136,742,000.24, 188,704,003.80 and 74,866,267.76

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Solution

The fourth proportional to 136,742,000.24, 188,704,003.80 and 74,866,267.76 is: 103,315,473.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,742,000.24 : 188,704,003.80 = 74,866,267.76 : x
  2. Step 2: Convert to fraction form
    136,742,000.24/188,704,003.80 = 74,866,267.76/x
  3. Step 3: Cross multiply
    136,742,000.24x = 188,704,003.80 × 74,866,267.76
  4. Step 4: Simplify right side
    136,742,000.24x = 14,127,564,475,874,860
  5. Step 5: Solve for x
    x = 14,127,564,475,874,860/136,742,000.24
  6. Step 6: Final answer
    x = 103,315,473.31

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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.