Home / 56,769,159.03-78,341,470.79-30,663,676.83

Finding the Fourth Proportional to 56,769,159.03, 78,341,470.79 and 30,663,676.83

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Solution

The fourth proportional to 56,769,159.03, 78,341,470.79 and 30,663,676.83 is: 42,315,890.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,769,159.03 : 78,341,470.79 = 30,663,676.83 : x
  2. Step 2: Convert to fraction form
    56,769,159.03/78,341,470.79 = 30,663,676.83/x
  3. Step 3: Cross multiply
    56,769,159.03x = 78,341,470.79 × 30,663,676.83
  4. Step 4: Simplify right side
    56,769,159.03x = 2,402,237,542,691,445
  5. Step 5: Solve for x
    x = 2,402,237,542,691,445/56,769,159.03
  6. Step 6: Final answer
    x = 42,315,890.95

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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.