Home / 73,144,463.80-109,716,695.70-66,448,307.20

Finding the Fourth Proportional to 73,144,463.80, 109,716,695.70 and 66,448,307.20

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Solution

The fourth proportional to 73,144,463.80, 109,716,695.70 and 66,448,307.20 is: 99,672,460.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,144,463.80 : 109,716,695.70 = 66,448,307.20 : x
  2. Step 2: Convert to fraction form
    73,144,463.80/109,716,695.70 = 66,448,307.20/x
  3. Step 3: Cross multiply
    73,144,463.80x = 109,716,695.70 × 66,448,307.20
  4. Step 4: Simplify right side
    73,144,463.80x = 7,290,488,700,842,520
  5. Step 5: Solve for x
    x = 7,290,488,700,842,520/73,144,463.80
  6. Step 6: Final answer
    x = 99,672,460.80

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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.