Home / 99,633,160.80-149,470,736.40-42,095,815.20

Finding the Fourth Proportional to 99,633,160.80, 149,470,736.40 and 42,095,815.20

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Solution

The fourth proportional to 99,633,160.80, 149,470,736.40 and 42,095,815.20 is: 63,152,593.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,633,160.80 : 149,470,736.40 = 42,095,815.20 : x
  2. Step 2: Convert to fraction form
    99,633,160.80/149,470,736.40 = 42,095,815.20/x
  3. Step 3: Cross multiply
    99,633,160.80x = 149,470,736.40 × 42,095,815.20
  4. Step 4: Simplify right side
    99,633,160.80x = 6,292,092,497,302,314
  5. Step 5: Solve for x
    x = 6,292,092,497,302,314/99,633,160.80
  6. Step 6: Final answer
    x = 63,152,593.44

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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.