Home / 454,051,903.53-681,013,185.40-143,119,110.72

Finding the Fourth Proportional to 454,051,903.53, 681,013,185.40 and 143,119,110.72

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Solution

The fourth proportional to 454,051,903.53, 681,013,185.40 and 143,119,110.72 is: 214,658,281.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,051,903.53 : 681,013,185.40 = 143,119,110.72 : x
  2. Step 2: Convert to fraction form
    454,051,903.53/681,013,185.40 = 143,119,110.72/x
  3. Step 3: Cross multiply
    454,051,903.53x = 681,013,185.40 × 143,119,110.72
  4. Step 4: Simplify right side
    454,051,903.53x = 97,466,001,483,042,480
  5. Step 5: Solve for x
    x = 97,466,001,483,042,480/454,051,903.53
  6. Step 6: Final answer
    x = 214,658,281.85

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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.