Home / 103,253,555.68-154,834,884.06-54,720,038.44

Finding the Fourth Proportional to 103,253,555.68, 154,834,884.06 and 54,720,038.44

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Solution

The fourth proportional to 103,253,555.68, 154,834,884.06 and 54,720,038.44 is: 82,055,971.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,253,555.68 : 154,834,884.06 = 54,720,038.44 : x
  2. Step 2: Convert to fraction form
    103,253,555.68/154,834,884.06 = 54,720,038.44/x
  3. Step 3: Cross multiply
    103,253,555.68x = 154,834,884.06 × 54,720,038.44
  4. Step 4: Simplify right side
    103,253,555.68x = 8,472,570,807,616,143
  5. Step 5: Solve for x
    x = 8,472,570,807,616,143/103,253,555.68
  6. Step 6: Final answer
    x = 82,055,971.36

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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.