Home / 114,912,820.90-172,369,231.35-92,238,004.90

Finding the Fourth Proportional to 114,912,820.90, 172,369,231.35 and 92,238,004.90

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Solution

The fourth proportional to 114,912,820.90, 172,369,231.35 and 92,238,004.90 is: 138,357,007.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,912,820.90 : 172,369,231.35 = 92,238,004.90 : x
  2. Step 2: Convert to fraction form
    114,912,820.90/172,369,231.35 = 92,238,004.90/x
  3. Step 3: Cross multiply
    114,912,820.90x = 172,369,231.35 × 92,238,004.90
  4. Step 4: Simplify right side
    114,912,820.90x = 15,898,994,005,870,534
  5. Step 5: Solve for x
    x = 15,898,994,005,870,534/114,912,820.90
  6. Step 6: Final answer
    x = 138,357,007.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.