Home / 51,607,219.20-77,410,828.80-20,916,501.45

Finding the Fourth Proportional to 51,607,219.20, 77,410,828.80 and 20,916,501.45

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Solution

The fourth proportional to 51,607,219.20, 77,410,828.80 and 20,916,501.45 is: 31,374,752.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,607,219.20 : 77,410,828.80 = 20,916,501.45 : x
  2. Step 2: Convert to fraction form
    51,607,219.20/77,410,828.80 = 20,916,501.45/x
  3. Step 3: Cross multiply
    51,607,219.20x = 77,410,828.80 × 20,916,501.45
  4. Step 4: Simplify right side
    51,607,219.20x = 1,619,163,712,840,901.75
  5. Step 5: Solve for x
    x = 1,619,163,712,840,901.75/51,607,219.20
  6. Step 6: Final answer
    x = 31,374,752.18

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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.