Home / 134,762,509.40-202,143,764.10-120,401,792.60

Finding the Fourth Proportional to 134,762,509.40, 202,143,764.10 and 120,401,792.60

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Solution

The fourth proportional to 134,762,509.40, 202,143,764.10 and 120,401,792.60 is: 180,602,688.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,762,509.40 : 202,143,764.10 = 120,401,792.60 : x
  2. Step 2: Convert to fraction form
    134,762,509.40/202,143,764.10 = 120,401,792.60/x
  3. Step 3: Cross multiply
    134,762,509.40x = 202,143,764.10 × 120,401,792.60
  4. Step 4: Simplify right side
    134,762,509.40x = 24,338,471,560,551,524
  5. Step 5: Solve for x
    x = 24,338,471,560,551,524/134,762,509.40
  6. Step 6: Final answer
    x = 180,602,688.90

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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.