Home / 66,434,230.80-99,651,346.20-63,564,449.40

Finding the Fourth Proportional to 66,434,230.80, 99,651,346.20 and 63,564,449.40

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Solution

The fourth proportional to 66,434,230.80, 99,651,346.20 and 63,564,449.40 is: 95,346,674.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,434,230.80 : 99,651,346.20 = 63,564,449.40 : x
  2. Step 2: Convert to fraction form
    66,434,230.80/99,651,346.20 = 63,564,449.40/x
  3. Step 3: Cross multiply
    66,434,230.80x = 99,651,346.20 × 63,564,449.40
  4. Step 4: Simplify right side
    66,434,230.80x = 6,334,282,953,171,782
  5. Step 5: Solve for x
    x = 6,334,282,953,171,782/66,434,230.80
  6. Step 6: Final answer
    x = 95,346,674.10

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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.