Home / 99,525,830.80-149,288,746.20-56,479,109.80

Finding the Fourth Proportional to 99,525,830.80, 149,288,746.20 and 56,479,109.80

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Solution

The fourth proportional to 99,525,830.80, 149,288,746.20 and 56,479,109.80 is: 84,718,664.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,525,830.80 : 149,288,746.20 = 56,479,109.80 : x
  2. Step 2: Convert to fraction form
    99,525,830.80/149,288,746.20 = 56,479,109.80/x
  3. Step 3: Cross multiply
    99,525,830.80x = 149,288,746.20 × 56,479,109.80
  4. Step 4: Simplify right side
    99,525,830.80x = 8,431,695,488,534,132
  5. Step 5: Solve for x
    x = 8,431,695,488,534,132/99,525,830.80
  6. Step 6: Final answer
    x = 84,718,664.70

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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.