Home / 147,216,605.80-220,824,908.70-89,820,977.80

Finding the Fourth Proportional to 147,216,605.80, 220,824,908.70 and 89,820,977.80

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Solution

The fourth proportional to 147,216,605.80, 220,824,908.70 and 89,820,977.80 is: 134,731,466.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,216,605.80 : 220,824,908.70 = 89,820,977.80 : x
  2. Step 2: Convert to fraction form
    147,216,605.80/220,824,908.70 = 89,820,977.80/x
  3. Step 3: Cross multiply
    147,216,605.80x = 220,824,908.70 × 89,820,977.80
  4. Step 4: Simplify right side
    147,216,605.80x = 19,834,709,222,029,724
  5. Step 5: Solve for x
    x = 19,834,709,222,029,724/147,216,605.80
  6. Step 6: Final answer
    x = 134,731,466.70

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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.