Home / 99,562,700.80-149,176,089.60-48,334,412.80

Finding the Fourth Proportional to 99,562,700.80, 149,176,089.60 and 48,334,412.80

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Solution

The fourth proportional to 99,562,700.80, 149,176,089.60 and 48,334,412.80 is: 72,420,079.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,562,700.80 : 149,176,089.60 = 48,334,412.80 : x
  2. Step 2: Convert to fraction form
    99,562,700.80/149,176,089.60 = 48,334,412.80/x
  3. Step 3: Cross multiply
    99,562,700.80x = 149,176,089.60 × 48,334,412.80
  4. Step 4: Simplify right side
    99,562,700.80x = 7,210,338,694,616,186
  5. Step 5: Solve for x
    x = 7,210,338,694,616,186/99,562,700.80
  6. Step 6: Final answer
    x = 72,420,079.37

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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.