Home / 99,513,555.60-149,336,688.60-56,382,675.60

Finding the Fourth Proportional to 99,513,555.60, 149,336,688.60 and 56,382,675.60

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Solution

The fourth proportional to 99,513,555.60, 149,336,688.60 and 56,382,675.60 is: 84,611,609.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,513,555.60 : 149,336,688.60 = 56,382,675.60 : x
  2. Step 2: Convert to fraction form
    99,513,555.60/149,336,688.60 = 56,382,675.60/x
  3. Step 3: Cross multiply
    99,513,555.60x = 149,336,688.60 × 56,382,675.60
  4. Step 4: Simplify right side
    99,513,555.60x = 8,420,002,068,512,018
  5. Step 5: Solve for x
    x = 8,420,002,068,512,018/99,513,555.60
  6. Step 6: Final answer
    x = 84,611,609.12

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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.