Home / 103,303,049.56-142,564,650.68-56,893,291.20

Finding the Fourth Proportional to 103,303,049.56, 142,564,650.68 and 56,893,291.20

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Solution

The fourth proportional to 103,303,049.56, 142,564,650.68 and 56,893,291.20 is: 78,516,289.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,303,049.56 : 142,564,650.68 = 56,893,291.20 : x
  2. Step 2: Convert to fraction form
    103,303,049.56/142,564,650.68 = 56,893,291.20/x
  3. Step 3: Cross multiply
    103,303,049.56x = 142,564,650.68 × 56,893,291.20
  4. Step 4: Simplify right side
    103,303,049.56x = 8,110,972,185,963,519
  5. Step 5: Solve for x
    x = 8,110,972,185,963,519/103,303,049.56
  6. Step 6: Final answer
    x = 78,516,289.89

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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.