Home / 101,898,840.38-140,626,303.40-76,735,903.64

Finding the Fourth Proportional to 101,898,840.38, 140,626,303.40 and 76,735,903.64

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Solution

The fourth proportional to 101,898,840.38, 140,626,303.40 and 76,735,903.64 is: 105,899,992.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,898,840.38 : 140,626,303.40 = 76,735,903.64 : x
  2. Step 2: Convert to fraction form
    101,898,840.38/140,626,303.40 = 76,735,903.64/x
  3. Step 3: Cross multiply
    101,898,840.38x = 140,626,303.40 × 76,735,903.64
  4. Step 4: Simplify right side
    101,898,840.38x = 10,791,086,466,440,514
  5. Step 5: Solve for x
    x = 10,791,086,466,440,514/101,898,840.38
  6. Step 6: Final answer
    x = 105,899,992.84

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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.