Home / 99,709,701.60-149,578,549.20-31,545,285.60

Finding the Fourth Proportional to 99,709,701.60, 149,578,549.20 and 31,545,285.60

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Solution

The fourth proportional to 99,709,701.60, 149,578,549.20 and 31,545,285.60 is: 47,322,356.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,709,701.60 : 149,578,549.20 = 31,545,285.60 : x
  2. Step 2: Convert to fraction form
    99,709,701.60/149,578,549.20 = 31,545,285.60/x
  3. Step 3: Cross multiply
    99,709,701.60x = 149,578,549.20 × 31,545,285.60
  4. Step 4: Simplify right side
    99,709,701.60x = 4,718,498,054,147,651
  5. Step 5: Solve for x
    x = 4,718,498,054,147,651/99,709,701.60
  6. Step 6: Final answer
    x = 47,322,356.59

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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.