Home / 56,073,560.87-77,378,285.48-31,291,802.74

Finding the Fourth Proportional to 56,073,560.87, 77,378,285.48 and 31,291,802.74

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Solution

The fourth proportional to 56,073,560.87, 77,378,285.48 and 31,291,802.74 is: 43,180,886.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,073,560.87 : 77,378,285.48 = 31,291,802.74 : x
  2. Step 2: Convert to fraction form
    56,073,560.87/77,378,285.48 = 31,291,802.74/x
  3. Step 3: Cross multiply
    56,073,560.87x = 77,378,285.48 × 31,291,802.74
  4. Step 4: Simplify right side
    56,073,560.87x = 2,421,306,045,715,846.50
  5. Step 5: Solve for x
    x = 2,421,306,045,715,846.50/56,073,560.87
  6. Step 6: Final answer
    x = 43,180,886.11

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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.