Home / 51,428,157.53-70,966,166.45-30,516,586.25

Finding the Fourth Proportional to 51,428,157.53, 70,966,166.45 and 30,516,586.25

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Solution

The fourth proportional to 51,428,157.53, 70,966,166.45 and 30,516,586.25 is: 42,110,105.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,428,157.53 : 70,966,166.45 = 30,516,586.25 : x
  2. Step 2: Convert to fraction form
    51,428,157.53/70,966,166.45 = 30,516,586.25/x
  3. Step 3: Cross multiply
    51,428,157.53x = 70,966,166.45 × 30,516,586.25
  4. Step 4: Simplify right side
    51,428,157.53x = 2,165,645,139,150,698.25
  5. Step 5: Solve for x
    x = 2,165,645,139,150,698.25/51,428,157.53
  6. Step 6: Final answer
    x = 42,110,105.50

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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.