Home / 140,917,735.40-211,376,603.10-45,189,300.20

Finding the Fourth Proportional to 140,917,735.40, 211,376,603.10 and 45,189,300.20

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Solution

The fourth proportional to 140,917,735.40, 211,376,603.10 and 45,189,300.20 is: 67,783,950.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,917,735.40 : 211,376,603.10 = 45,189,300.20 : x
  2. Step 2: Convert to fraction form
    140,917,735.40/211,376,603.10 = 45,189,300.20/x
  3. Step 3: Cross multiply
    140,917,735.40x = 211,376,603.10 × 45,189,300.20
  4. Step 4: Simplify right side
    140,917,735.40x = 9,551,960,772,742,150
  5. Step 5: Solve for x
    x = 9,551,960,772,742,150/140,917,735.40
  6. Step 6: Final answer
    x = 67,783,950.30

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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.