Home / 51,339,733-70,849,389.28-28,134,361.76

Finding the Fourth Proportional to 51,339,733, 70,849,389.28 and 28,134,361.76

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Solution

The fourth proportional to 51,339,733, 70,849,389.28 and 28,134,361.76 is: 38,825,724.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,339,733 : 70,849,389.28 = 28,134,361.76 : x
  2. Step 2: Convert to fraction form
    51,339,733/70,849,389.28 = 28,134,361.76/x
  3. Step 3: Cross multiply
    51,339,733x = 70,849,389.28 × 28,134,361.76
  4. Step 4: Simplify right side
    51,339,733x = 1,993,302,348,478,586
  5. Step 5: Solve for x
    x = 1,993,302,348,478,586/51,339,733
  6. Step 6: Final answer
    x = 38,825,724.87

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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.