Home / 30,213,308.70-45,319,963.05-26,103,498.30

Finding the Fourth Proportional to 30,213,308.70, 45,319,963.05 and 26,103,498.30

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Solution

The fourth proportional to 30,213,308.70, 45,319,963.05 and 26,103,498.30 is: 39,155,247.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,213,308.70 : 45,319,963.05 = 26,103,498.30 : x
  2. Step 2: Convert to fraction form
    30,213,308.70/45,319,963.05 = 26,103,498.30/x
  3. Step 3: Cross multiply
    30,213,308.70x = 45,319,963.05 × 26,103,498.30
  4. Step 4: Simplify right side
    30,213,308.70x = 1,183,009,578,431,737.75
  5. Step 5: Solve for x
    x = 1,183,009,578,431,737.75/30,213,308.70
  6. Step 6: Final answer
    x = 39,155,247.45

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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.